“Innovative.” —New York Times Book Review

“For the four- to eight-year-old who goes nonstop.” —Philadelphia Tribune

The companion to the popular and award-winning A Hundred Billion Trillion Stars.

This captivating and educational picture book from Seth Fishman and Isabel Greenberg introduces young readers to basic facts about energy and the human body. Fun, informative and accessible, Power Up is perfect for classroom and family sharing. A great title to read along with Andrea Beaty’s Ada Twist, Scientist and Oliver Jeffers’s Here We Are. 

Did you know there is enough energy in your pinkie finger to power an entire city? And that everything you do—running, jumping, playing, and exploring—uses that same energy inside of you?

In the companion to the acclaimed A Hundred Billion Trillion Stars, Seth Fishman and Isabel Greenberg explore the relationship between energy and the human body, breaking down complicated concepts into small, child-friendly segments. Seth Fishman’s playful text explores the science behind the most energetic kids, while Isabel Greenberg’s vibrant illustrations offer plenty for children to explore in multiple readings.

Ideal for curious kids and classroom learning, this engaging book is for fans of Elin Kelsey’s You Are Stardust and John Scieszka’s Science Verse.

This nonfiction picture book is an excellent choice to share in the classroom or at home, in particular for children ages 4 to 6.

Seth Fishman is the author of A Hundred Billion Trillion Stars, a Boston Globe–Horn Book Award Honor book and winner of the Mathical Prize, as well as Power Up and The Ocean in Your Bathtub, all illustrated by Isabel Greenberg. He lives with his family in Los Angeles, California.

Isabel Greenberg goes through 57 paintbrushes in a year and draws for 6 hours a day with 4 to 5 cups of tea to keep her going. She has written 2 graphic novels and illustrated 5 books for children. She lives in London. www.isabelnecessary.com

“Fishman begins this work with an unbelievable but true statement about how there is enough energy in a person’s pinkie finger to power a large city for an entire day. ...A great introduction to human physiology that affirms just how special our bodies are.” — School Library Journal

“The creative team behind A Hundred Billion Trillion Stars turns from astronomical bodies to the human body. . . .An inspirational companion to traditional health books and mindfulness activities.” — ALA Booklist

“Math and science enthusiasts, this one’s for you! . . .Parents and kids alike will appreciate the book’s exhortation to stay curious. A fresh, scientific look at one aspect of the incredible human body.” — Kirkus Reviews

“The text presents information with clarity, humor, and, above all, wonder—both at the amazing human body and at everything it allows the child reader to do, think, learn, and discover.” — The Horn Book

“Your pinkie, this innovative book explains, ‘has enough energy to light up one of the biggest cities in the world’ for a day. Fishman and Greenberg (A Hundred Billion Trillion Stars) turn something kids instinctively understand – the energy in our bodies – into a lesson in biology and physics, and the real importance of food and sleep.” — New York Times Book Review