Both scientifically grounded and dreamlike. . . . An awe-inspiring introduction to cosmic evolution that makes the universe's story feel both intimate and infinite.

Kirkus Reviews, starred review

[An] outstanding title that takes a child's simple question and answers it seriously, with accessible, absorbing and wildly informative text accompanied by stunningly dynamic mixed media illustrations. . . . Rarely has evolutionary science been so accessible, gripping and exuberantly colorful as it is in Frog.

BookPage, starred review

The third absorbing, flawless nonfiction picture book collaboration between author Isabel Thomas and illustrator Daniel Egnéus. . . . Thomas expertly distills massive ideas into tangible facts in a dynamic text. . . . The art is so inventive and nearly neon that it demands viewers' attention. . . . This clever, fascinating approach to evolution is told through the undeniably child-friendly lens of frogs.

Shelf Awareness, starred review

An engaging introduction for curious children beginning to ask big questions. . . A thought-provoking blend of science and storytelling for picture-book collections.

Booklist

A powerful work covering the big and small story of the creation of the universe, this is an excellent addition to a classroom library with accessible language and illustrations that speak to both younger and older learners.

School Library Journal

From its striking silver-plated cover on, this is a stunner. . . A gorgeous blend of text and illustrations and a wonderfully successful introduction to nonfiction for younger readers.

Booklist, starred review, on MOTH