Prize Winner!

LIA & LUÍS: WHO HAS MORE? (illustrated by Giovana Medeiros), a book celebrating diversity, math, and the power of storytelling, is the 2021 Mathical Book Prize Winner in the pre-k category. Called an "effective, child-led exploration of measurement" by Publishers Weekly, Lia & Luís is published by Charlesbridge, in collaboration with TERC, under a grant from the Heising-Simons Foundation. 

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Ana Crespo Books, Children's Author

Ana Crespo is happiest when surrounded by nature. So, Ana spends her summers traveling around the United States, visiting National Parks, and exploring some of the most beautiful places in America. She usually returns from her trips full of ideas for new stories. Ana considers herself lucky for having a career that allows her to keep her imagination alive way beyond her childhood years. Originally from Brazil, Ana lives in the beautiful Rocky Mountain region with her husband and kids.



Lia & Luís: Who Has More?

Illustrated by Giovana Medeiros

Winner of the 2021 Mathical Book Prize—PreK 

Twins Lia and Luís argue over who has more of their favorite snacks. Can the siblings use math--and a little sharing--to pick the winner? A playful exploration of measurement, counting, and estimation, featuring Brazilian American characters and a glossary of Brazilian Portuguese words. Available in hardcover and paperback.

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The Sock Thief: A Soccer Story

Illustrated by Nana Gonzalez

Winner of the 2016 International Latino Book Award—PB Bilingual

Brazilian boy, Felipe, doesn’t own a soccer ball. When it’s his turn to take one to school, he must use a lot of creativity (and a few socks) to solve his problem. Inspired by the childhood stories of the author's father, the book includes animals sounds and words in Portuguese.

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My Emotions & Me Series

Illustrated by Erica Sirotich


JP uses his imagination and a cast of adorable make-believe characters to help young readers understand how to navigate their emotions in a fun and positive way. Perfect for ages 2-5, this series combines simple text and bright illustrations, and uses imaginative play to demonstrate problem-solving and self-soothing skills.

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This page was last updated on May 31, 2021. 

Free SLJ Webcast

On Demand

Celebrate diversity, math, and the power of storytelling! Youth Services librarian Julie Roach (Cambridge Public Library) joins authors Grace Lin and Ana Crespo, editor Alyssa Mito Pusey, and TERC senior scientist Marlene Kliman to discuss how the new Storytelling Math series empowers all readers to see themselves as mathematical thinkers.

Virtual Visit

Available on IGTV

Join Ana and the folks at Belmont Books, in Belmont, MA, for an introduction to the characters in her new book LIA & LUÍS: WHO HAS MORE?. The book features diverse characters, Portuguese words, and a math-related plot. Ana will also do a fun measurement activity. Perfect for kids 2 to 5 years old. 

School visits? Click here.



Whether you're a teacher looking for information about school visits, or a parent with comments about a book, or a reader with something to share, if you want to send me a message, here is the place to do it.


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