It's no secret that animals eat animals, but—because there can be uneasiness about the concept—this set introduces the idea in a thoughtful and gentle way. Three of the longest food chains of the animal kingdom are depicted in colorful, dimensional art, free of sinister overtones or any form of carnage. Divided into Land, Air, and Sea, each of these three accordion-foldout volumes stretch out to nearly six feet long, captioned with short texts explaining the natural order of things in terms that prereaders can understand—"I'm hungry!"