Takeuchi’s colors are bold and bright. . . Children will enjoy using this charming book both as a way to learn about animals and to play the matching and guessing game. A whimsical reminder that all animals—including humans—are just a heap of bones!
—Kirkus Reviews

An unusual and delightful sort of matching game for young readers. . . It’s a visually striking book, in which the page-turns are everything, and an entertaining guessing game for very young children, especially those first learning about the skeletal system and that, underneath all the trappings, many creatures are a heap of bones.
—Seven Impossible Things Before Breakfast

Colorful, bold type; brightly saturated backgrounds; and simple, clean design set the tone for a concept book that doubles as a surprisingly joyous celebration of bones. . . . A strong choice for curious young scientists.
—The Horn Book

This stunning execution of a simple idea by cut-paper artist Chihiro Takeuchi makes the subject — bones — feel wondrous rather than gory. . . . The cheerful illustrations invite young readers to consider what’s under the skin of all sorts of vertebrates, and ends with a collection of fun facts for the curious.
—The Virginian Pilot

A sweet and informative picture book for young animal lovers to learn more about the different body structures of different species.
—School Library Journal