Review of My Mechanical Romance, by Alexene Farol Follmuth

My Mechanical Romance

by Alexene Farol Follmuth
read by Amielynn Abellera and Christopher Salazar

Recorded Books, 2022. 8 hours, 46 minutes.
Review written December 14, 2023, from a library eaudiobook.
Starred Review
2024 Mathical Book Prize Honor Book, ages 14-18

My Mechanical Romance is a super fun high school romance tale about a new girl named Bel who turns out to be good at robotics. After her thrown-together egg drop project is the best performer of her class, her teacher says her grade won’t get docked if she tries out for the robotics team and joins AP Physics.

Teo is captain of the robotics team and captain of the soccer team, too. He begrudgingly allowed auditions for the team, even though they already have enough seniors. When Bel wows them with an again thrown-together project, she gets a spot on the team, even though the only other girl on the team doesn’t think she knows what she’s doing.

Bel and Teo start getting to know one another in a lovely slow-burn romance. Bel’s switched schools her senior year because of her parents’ divorce. Teo’s dad is a high-powered software developer, and Teo takes for granted the weight of their expectations.

I did not like the voice the narrator used for Bel’s best friend, a Valley girl accent. But since the book takes place in the San Fernando Valley, where that accent came from, I probably shouldn’t complain.

I loved the portrayal of what women in STEM are up against. I didn’t like, though, that a couple times Bel called herself “not a math person.” Usually I’d think math and robotics go together, and Bel’s taking Calculus, so I wish she’d gotten a little pushback for that. Bel’s portrayed as learning about robotics from tinkering with machines in her dad’s workshop and building and welding things since she was small, so it’s more of an intuitive sense of mechanics. Not to give spoilers, but I loved the way the book ended, too, and the portrayal of adjusting future plans with an epilogue set two years later.

I listened to this book on a Sick Day when I was getting obsessive about a jigsaw puzzle and listened to the whole thing in one day. Completely delightful. And go, women in STEM!

alexenefarolfollmuth.com

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Review of Violet and the Pie of Life, by Debra Green

Violet and the Pie of Life

by Debra Green

Holiday House, 2021. 279 pages.
Review written December 13, 2023, from a library book.
Starred review
2024 Mathical Honor Book, Ages 11-13

When Violet’s best friend Mackenzie wants to try out for their middle school’s production of The Wizard of Oz, Violet only joins in because it would be fun to go to rehearsals with Mackenzie. Never mind that Ally, the popular girl Mackenzie says is terrible, does a wonderful audition for Dorothy.

But when Violet gets the part of the Cowardly Lion, and Mackenzie gets the part of a flying monkey, Violet has to decide if she’ll stick with it when her friend quits. And would it be disloyal to be friends with Ally, who really doesn’t seem so bad?

Meanwhile, while Violet’s navigating all this friendship stuff, her parents fight and her Dad moves out. And doesn’t answer her emails. Maybe now she has a part in the play, she can get both her parents to come and remember how much they love each other.

Through all of this, Violet looks to math as something she can count on. The pages of this book are filled with charts she makes, laying out the problems of her life like math problems — from a chart of the intensity of her parents’ fights to flow charts of her plans to email her Dad. I especially liked when her affinity for math helped her quickly understand how much commission her realtor Mom would make after selling a home in Laguna Beach.

This kids’ novel is no math text book, but it’s math-friendly, featuring a middle school kid with relatable problems who thinks in mathematical ways.

HolidayHouse.com

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Review of Logicomix, by Apostolos Doxiadis and Christos H. Papadimitriou

Logicomix

An Epic Search for Truth

by Apostolos Doxiadis and Christos H. Papadimitriou
art by Alecos Papadatos and Annie Di Donna

Bloomsbury, 2009. 344 pages.
Review written May 12, 2025, from a library book.

Logicomix is a graphic novel fictionalized biography of Bertram Russell – but complete with a detailed explanation of the quest for a logically consistent foundation of mathematics – culminating in Kurt Gödel’s Incompleteness Theorem.

As an undergraduate math major and a graduate student in math, I had a general idea of all this, and reading it now, I appreciated the specifics and the introduction to the people (all white men) who worked on those foundations. Something about having it all laid out in a graphic novel helped me understand the people and their quest and the interactions.

The story isn’t necessarily a pretty one. Russell had four wives, and the first one was given a “rest cure” after she realized he was falling in love with his best friend’s wife. I’m not sure I appreciated all the talk of mathematicians, or at least logicians, being prone to insanity, nor the dismissal of the children of logicians who had schizophrenia. But these were real people’s lives and that shows they didn’t clean it up for the twenty-first century.

So I do think those who will find the book most interesting are those who are interested in the quest for a provable foundation of mathematics – and how that quest was stymied. But I am one of those people, and I enjoyed this book.

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Review of 365: How to Count a Year, by Miranda Paul & Julien Chung

365

How to Count a Year

by Miranda Paul & Julien Chung

Beach Lane Books, 2023. 44 pages.
Review written October 26, 2023, from a library book.
Starred Review

365 is a wonderful kid-friendly picture book about different units of time and how many of them make up a year. It’s bright and colorful and gives examples that will make kids laugh.

The start is basic:

It takes the Earth 365 days to spin around the sun.

But the book quickly gets more creative:

That’s 365 “Good mornings,”

365 “Good nights,”

and, hopefully, 365 clean pairs of underwear.

Then it goes on to talk about things that might happen 52 times in the 52 weeks of a year.

And next are groups of 12 things that happen monthly. Like cleaning the fish tank or getting a magazine.

And if 365, 52, and 12 are too big for you, it all comes back to 1 year, which, of course, is best measured in birthdays.

But that’s not all!

And right after that party is over,
you’ll probably start asking …

how long until next year’s celebration?

The answer —
8,760 hours —
might seem like forever.

And then they go on to minutes and seconds in a year.

A spread at the end tells us:

But the good news is that you can group those
seconds into minutes and minutes into hours and hours into sunsets and sunrises and good mornings and good nights and clean (or dirty) underwear, flavors of the day, Friday night spills, or Saturday sleep-ins, so the countdown simply becomes…

1 marvelous collage of 1 year in the life of you.

How will you count your year?

It’s all colorful and fun and directly relates the somewhat abstract concept of time to kids’ lives. There’s a bonus page at the back telling how much time or how many times certain things happen in a year.

A beautiful introduction to the mathematics of time for young children.

mirandapaul.com
julienchung.com

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Review of Patterns Everywhere, by Lisa Varchol Perron

Patterns Everywhere

by Lisa Varchol Perron

Millbrook Press, 2023. 32 pages.
Review written November 22, 2023, from a library book.
Starred Review

Patterns Everywhere is a beautiful nonfiction book for primary-grade kids that will get them noticing many kinds of patterns in nature.

Each spread is dominated by a large photograph of something in nature, a simple rhyme about it with the rhyme scheme AABB (another pattern!) and a factual paragraph with more detail. It’s attractively presented and shows a wide variety of things. Here’s the introductory first spread:

Step outside. Let’s find designs —
branching, cracking, spirals, lines.
Search the earth, the seas, the air.
Patterns, patterns everywhere.

WHAT IS A PATTERN?
A pattern is a sequence that repeats in a predictable way. Nature is full of them! Some of nature’s patterns are made of repeating geometric shapes. Other patterns are created by color or spacing.

The spreads after that show leaf veins, ridges and valleys, sand dunes, meandering rivers, corals, wave ripples, sea foam, layered earth, basalt columns, snowflakes, mud cracks, and spiral plants and animals. There are two pages of more information at the back, including some activities.

This is a simple introduction to patterns, attractively presented, and will open kids eyes to the patterns around them.

lisaperronbooks.com
lernerbooks.com

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Review of Friend of Numbers, by Priya Narayanan, illustrated by Satwik Gade

Friend of Numbers

The Life of Mathematician Srinivasa Ramanujan

written by Priya Narayanan
illustrated by Satwik Gade

Eerdmans Books for Young Readers, 2023. First Published in India in 2019. 36 pages.
Review written November 17, 2023, from a library book.
Starred Review
2024 Mathical Book Prize Winner, ages 8-10

I’ve already read a wonderful picture book biography of the great mathematician Srinivasa Ramanujan, but this one is special because it was written by an Indian for children of India.

This one is also geared a little younger, making Ramanujan’s ideas understandable to kids by presenting them as patterns only he could see.

It talks about his childhood in India and how he didn’t fit in, and then the changes he had to make to his hair and clothes to move to England to work on mathematics. It tells some stories about Ramanujan that are legendary among mathematicians, like this one:

Another day, Professor Hardy happened to mention that the taxi he had just come in had quite a boring number — 1729.

“No! It is a very interesting number,” Ramanujan shot back. His sharp memory drew out something he’d read about long ago, and on a piece of paper he scribbled:

1729 = (12 x 12 x 12) + (1 x 1 x 1)
1729 = (10 x 10 x 10) + (9 x 9 x 9)

“Look at the pattern!” he exclaimed.

Numbers were his friends. He could remember special things about them, the way that one remembers a friend’s birthday.

There are eight pages of notes at the back, including some ideas for readers to explore further. (Make a magic square using your birth date!)

A delightful introduction for kids to the life of this great man.

priyanarayanan.in

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Review of The Power of Snow, by Bob Raczka, illustrated by Bryony Clarkson

The Power of Snow

by Bob Raczka
illustrated by Bryony Clarkson

Millbrook Press, 2023. 36 pages.
Review written November 9, 2023, from a library book.
Starred Review

This book is a very simple picture book that demonstrates exponents with snowflakes — on each page, the number of snowflakes doubles.

The main text is simple rhymes. The first few spreads go like this:

Two flakes play.

Four flakes sashay.

Eight flakes twirl.

Sixteen flakes swirl.

On the opposite page from the main text, we’ve got the number of snowflakes expressed with numerals and equations, like this:

27 = 2 to the seventh power

2 x 2 x 2 x 2 x 2 x 2 x 2 = 128

The scenes behind the snowflakes look like suburban backyards, with at least one animal visitor on each page.

The most wonderful thing about this book is that the illustrator worked to get exactly the right number of snowflakes on each page. Here’s what she says in a note at the back:

Creating the art for The Power of Snow presented one tricky problem: how to show the correct number of snowflakes on each page. For this book, it was important to get the math right! Of course, the first few pages were easy. But as the quantity of flakes increased, it became much harder to count them all. So I worked out a plan. The images were created using different layers, kind of like clear sheets with different parts of the art on each one. I created a certain number of flakes on one layer. Then I duplicated this layer, flipping, scaling, and rotating it to give a natural look. Duplicating the layer allowed me to multiply the exact number of flakes as I worked. I could then add the more detailed snowflakes, counting these out individually to get to the total number. As with real snow, once the flakes became tiny and overlaid, some appear to blend together — but they are all there!

The effect is that you won’t be able to count all 16,384 flakes on the page for 214, but you can definitely get the idea.

Okay, my first reaction to this book is that it’s for a young reader — primary grades or even preschoolers who haven’t learned to multiply yet, so why are they illustrating exponents to such young readers? I do wish the word “doubled” was used, instead of relying on the multiplication notation.

But then I think about the things I showed my own kids when they were young, and I’m sure that kids exposed to this book will have an easier time understanding exponents later. In fact, hmmm, this might be a wonderful gift for my four-year-old nephew who has two big sisters. When they read it to him, they will pick up the ideas… and he will think exponents are the most natural thing in the world when it finally comes time to learn about them in school.

Yeah, I think I’m won over. Doubling before your eyes!

bobraczka.com
bryonyclarkson.com
lernerbooks.com

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Review of Much Ado About Numbers, by Rob Eastaway

Much Ado About Numbers

Shakespeare’s Mathematical Life and Times

by Rob Eastaway

The Experiment, 2024. Originally published in the United Kingdom by Allen & Unwin, 2024. 215 pages.
Review written January 13, 2025, from a book sent to me by the publisher.
2025 Mathical Book Prize Honor Book, High School

This is a book about math in Shakespeare’s life and writings, with all its interesting trivia.

I perhaps read the book too quickly. Trying to get through it, some of the facts seemed indeed trivial – but read as interesting tidbits, it’s quite a collection that makes you realize how much mathematics has changed in over three hundred years. I do think that folks obsessed with Shakespeare would get a bit more out of it than someone like me who’s obsessed with math – but at the same time, I hadn’t realized how Shakespeare lived just when the use of Arabic numerals – and the number zero – were becoming popular.

And math in the time of Shakespeare ended up having many side topics – words used for counting and measuring (“full fathom five,” “threescore and ten,” etc), games popular at the time, a list of how English shillings and crowns and other coins worked, navigation and maps, music, musical scales, and meter, astronomy, the colors of the rainbow, and even the Francis Bacon code which people try to use to show that he was the actual author of Shakespeare’s works.

I’ll confess, the book goes into a bit more detail than I really cared about. But this would be a fantastic reference for an author trying to write about Elizabethan times or fun for any Shakespearean enthusiast. Who knew that there was so much math in Shakespeare’s writings?

robeastaway.com
theexperimentpublishing.com

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Review of Infinity: Figuring Out Forever, by Sarah C. Campbell, photographs by Sarah C. Campbell and Richard P. Campbell

Infinity

Figuring Out Forever

by Sarah C. Campbell
photographs by Sarah C. Campbell and Richard P. Campbell

Astra Young Readers, 2022. 32 pages.
Review written December 22, 2022, from a library book
Starred Review

Kids are fascinated by infinity. Well, my kids were fascinated by infinity, anyway. But more kids can hear about the ideas behind infinity and become fascinated with the help of this simple picture book.

I like that the illustrations are photographs, helping kids grasp that the idea of infinity is all around us. There’s a picture of a kid sitting between two mirrors and looking into them. There are pictures of starry skies, flocks of birds, and leafy trees. On another page, they’ve written out a googol.

But the book also makes clear that infinity isn’t just big numbers. They also demonstrate an orange slice, with half taken away, then half of that taken away, and so on.

Thinking about infinity is tricky. You have already thought of a large number and added one, but that might lead you to make the mistake of thinking infinity is something really, really big. Remember, though, infinity is not something big. Infinity is endlessness.

They tie it up by saying that even though the stars in the sky are finite, your mind has no limits.

The back matter is fun because it includes the ideas of Hilbert’s Hotel as an infinite school with infinite school buses arriving. It’s kind of a shame it’s buried in the back matter — but if this intrigues your kid, they need to find a copy of The Cat in Numberland, by Ivar Ekeland, where the whole book explores those ideas, and why adding infinity to infinity can just be infinity.

Overall, the book is a straightforward introduction for kids. The photo illustrations make it extra inviting.

sarahccampbell.com
astrapublishinghouse.com

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Review of Trajectory, by Cambria Gordon

Trajectory

by Cambria Gordon

Scholastic Press, 2024. 285 pages.
Review written January 24, 2025, from my own copy, sent to me by the publisher.
Winner, Mathical Book Prize, High School

My committee just selected this as a Mathical Book Prize Winner, so I’m going to post a review. It’s historical nonfiction about a teenage girl named Eleanor who gets selected to work as a human computer calculating firing tables during World War II.

I’d had no idea such work happened, and that part was super interesting. Later, Eleanor gets selected to go to a desert base and help figure out how to improve the Norden bombsight. And she meets a handsome pilot while she’s there.

The setting is fascinating, based in historical fact that I’d known nothing about, and it’s always lovely to find a book that features a mathematician.

I did have some reservations. Her mathematical “gift” is portrayed as a rather mystical thing that comes and goes, and I didn’t like that portrayal. And I’m skeptical of the details about the Norden bombsight (the kind of development done seems to have mostly happened in the 1930s) and completely failed to suspend disbelief for a climactic scene where they needed a mathematician to save the day.

But – that’s why we choose winners via committee! The vast majority reminded me that this is historical fiction. And mathematics certainly go into bomber technology. And female mathematicians certainly did important work during World War II. And is it so terrible to read about a female mathematician saving the day with her mathematical skills, even if it feels a tiny bit implausible to me?

So anyway, I’m proud of our winner. You might need to suspend disbelief a bit, but there’s a good tale here about using math to win the day. And this year had more high school titles to consider than any other year I’ve served on the Mathical committee, which was a wonderful milestone.

cambrialgordon.com

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