the first chapter, on manpower, suffers from jarring transitions, and the detailed explanations of steam engines and such are occasionally hard to follow." He finds the illustrations "colorful and skillfully chosen. They are, in fact, the high point of the book." Summing up, he states that "[b]y virtue of its thoroughness, and its informative illustrations, "Man and Power" should be especially useful in libraries and schools." Notes 1961 children's books Children's non-fiction books Science books Books by L. Sprague de Camp American children's books