Illus. in full color. Meet the cutest (and biggest!) babies of all time in the first nonfiction Step 1. The hatching of eggs, the habits, and the hazards faced by prehistoric toddlers are all here in this accurate, accessible look at a perennially popular subject.

Lucille Recht Penner is the author of many nonfiction books for kids, including?Dinosaur Babies?and?Monster Bugs?in Random House’s Step into Reading program. She lives in Tucson, Arizona.Peter Barrett is a wildlife artist and illustrator with more than 40 credits to his name. In addition to his books based in nature, Barrett is also an extremely successful children's writer. His wildlife paintings have given him great fame and renown?and have been exhibited around the world.