Heather Alexander has written numerous books for children and young adults including previous titles in this series, A Child's Introduction to the World, A Child's Introduction to Greek Mythology, and A Child's Introduction to Art. She is a former book editor living in Los Angeles, CA.

Meredith Hamilton has illustration the previous eight books in the Child's Intro series. Her other illustration work includes apps for children, cookbooks, and Steuben glass. She lives in Brooklyn, NY.

"Highlighting every kingdom of life--plants, bacteria, mammals, birds, amphibians, insects, rocks and minerals--the book is also full of charming and witty illustrations by Meredith Hamilton plus 30 photographs throughout. The book delves into topics like geology; prehistoric times, including fossils and dinosaurs; how animals move and fly; evolution; biomes; and more."--Provided by publisher.