How to Have a Thought
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How to Have a Thought

A Walk with Charles Darwin

by Nicholas Day
Illustrator(s): Hadley Hooper
Published by Neal Porter Books
Hardcover | Pages: 32
Size: 7-1/2 x 9-3/4 | USD: $18.99
ISBN: 9780823458509
Publication Date: January 13, 2026
Age: 4-8

About the Book

★★★THE REVIEWS ARE IN!★★★

“Sibert Medalist Day transforms Charles Darwin’s daily walking routine into an enchanting blueprint for creative thinking.”
Kirkus Reviews (starred review)

Slyly chatty and insightful, it’s a fittingly meandering biography that introduces the work it can take to sort through difficult concepts—and invites readers to join in.”
— Publishers Weekly (starred review)

“Textually and visually, How to Have a Thought roots for contemplation, creativity, new perspectives and time in nature and reminds us that some-times, going in circles is a good thing.”
BookPage (starred review)

“In How to Have a Thought, Sibert Medalist Nicholas Day (A World Without Summer; The Mona Lisa Vanishes) and illustrator Hadley Hooper (Jump for Joy) give young readers an inspiring nonfiction picture book biography of Charles Darwin that uses his well-known meditative walking practice as a kickoff point.”
Shelf Awareness (starred review)

“Excellent mixed-media illustrations depict the different materials and details, keeping readers engaged through the contrast of realistic photos and rougher sketches.”
School Library Journal

“Hooper uses painting and printmaking to build her illustrations, playing negative and positive space against each other to effectively evoke both Darwin’s era and the rhythms of his walks.”
The Horn Book (review not final)

“Hooper adds witty visual commentary. . . .”
Booklist

“Day (The Mona Lisa Vanishes, BCCB 10/23; A World Without Summer, BCCB 9/25) takes his considerable nonfiction talents into the picture book format here, yet again seamlessly pairing two seemingly disparate things—aimless walks and the development of an earth-shattering scientific theory—to create a witty, engaging, and at times silly exploration of big ideas and deep thoughts.”
Bulletin of the Center for Children’s Books

“An eccentric picture book befitting its subject, this primer on Charles Darwin offers offbeat advice on problem-solving.”
Foreword Reviews