Looking to add to your collection? Here is a list of books for Pi Day

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🥧📐 Pi Day Book Picks

Celebrate March 14 with stories that make math memorable!

March

March 14 (3.14) is Pi Day — a fun and slightly quirky celebration of the mathematical constant π. While the day is often associated with math classes and slices of pie, it also offers a great opportunity for school libraries to highlight the connection between reading, problem-solving, and curiosity.

Books about math, patterns, puzzles, and brilliant thinkers help students see that numbers tell stories too. The titles below include playful introductions to geometry for younger readers, fascinating biographies of mathematicians, and thought-provoking novels that celebrate logical thinking. Whether you’re creating a Pi Day display or simply looking for engaging STEM-themed reads, these selections offer something for every age group.

📘 Picture Books (K–2)

📗 Sir Cumference and the Dragon of Pi— Cindy Neuschwander – https://amzn.to/3Nv1W5m
A clever math adventure where Sir Cumference’s son, Radius, must solve a riddle involving pi to save his father. Playful wordplay and medieval fun make this a perfect Pi Day read-aloud.

📗 What’s Your Angle, Pythagoras?— Julie Ellis – https://amzn.to/4rqnk9V
A humorous introduction to angles and the Pythagorean Theorem through a fictionalized young Pythagoras. Great for sparking early geometry curiosity.

📗 The Greedy Triangle— Marilyn Burns – https://amzn.to/3Nava9G
A shape-shifting triangle discovers what happens when it keeps adding sides. A bright and accessible way to introduce polygons and geometric thinking.

📗 Round Is a Mooncake— Roseanne Thong – https://amzn.to/4rkzUav
Explores circles and round objects through lyrical text and cultural connections. A gentle way to introduce circular shapes before talking about pi.

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📙 Elementary (Grades 3–5)

📘 Sir Cumference and the Great Knight of Angleland— Cindy Neuschwander – https://amzn.to/4rkbrCt
Another crowd favorite from the Sir Cumference series, blending medieval adventure with geometry vocabulary. A strong independent reader option for math-loving students.

📘 Math Curse— Jon Scieszka & Lane Smith – https://amzn.to/4cEfxld
A student wakes up convinced everything in life is a math problem. Funny, fast-paced, and relatable — perfect for students who claim they “don’t like math.”

📘 Piece = Part = Portion— Scott Gifford – https://amzn.to/40Y5znq
A kid-friendly introduction to fractions and parts of a whole — perfect for connecting pie slices to mathematical thinking.

📘 The Librarian Who Measured the Earth— Kathryn Lasky – https://amzn.to/3OSXmOV
The story of Eratosthenes, who calculated Earth’s circumference using math and observation — a powerful nonfiction tie-in for curious readers.

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📕 Middle School (Grades 6–8)

📙 Chasing Vermeer— Blue Balliett – https://amzn.to/4sAG3jZ
A mystery built around puzzles, patterns, and mathematical thinking. Perfect for students who enjoy logic and problem-solving.

📙 The Boy Who Loved Math: The Improbable Life of Paul Erdős— Deborah Heiligman – https://amzn.to/4lj65Ww
A biography of one of the world’s most prolific mathematicians. Inspiring for students who enjoy big ideas and unconventional thinkers.

📙 Hidden Figures (Young Readers’ Edition)— Margot Lee Shetterly – https://amzn.to/40oNFtR
The true story of the brilliant Black women mathematicians at NASA who helped launch astronauts into space — an empowering STEM connection.

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📕 High School (Grades 9–12)

📗 Life of Pi— Yann Martel – https://amzn.to/4sxeRT7
While not about the mathematical constant, this philosophical survival novel sparks rich discussions about belief, storytelling, and truth — perfect for a playful Pi Day literary connection.

📗 The Man Who Knew Infinity— Robert Kanigel – https://amzn.to/4sBoNLq
The biography of Srinivasa Ramanujan, a self-taught mathematical genius whose work deeply impacted modern math. An inspiring nonfiction choice for advanced readers.

📗 Flatland— Edwin A. Abbott – https://amzn.to/4rtYtSH
A classic novella exploring geometry and dimensions through satire. Ideal for students who enjoy abstract thinking and conceptual math.

📗 How Not to Be Wrong: The Power of Mathematical Thinking— Jordan Ellenberg – https://amzn.to/4ukQOsf
An accessible, real-world look at how math shapes everyday decisions — great for teens who want to see math beyond the classroom.

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📌 Easy Library Programming Tie-Ins

You could pair this list with:

• A “Pi + Pie” display (cookbooks + math books)
• A circle-themed scavenger hunt
• A “Memorize Digits of Pi” challenge
• A STEM spotlight bulletin board

A Final Slice of Inspiration

Pi Day reminds us that learning often happens at the intersection of subjects. When students see math connected to stories, history, and real-world discovery, the subject becomes far more approachable — and even a little exciting.

A small Pi Day display, a math-themed book recommendation, or a quick reading suggestion can spark curiosity that lasts far beyond March 14. After all, just like the digits of pi, the possibilities for learning are endless. 🥧📚

I have not read these books, so please read them yourself to ensure they are appropriate for your library.

Read more Bibliography and Book List posts.

Check out my lists on Benable

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