Strap on your shoes and join Mr. Andre's class on a nature hike! They're out to discover if their class pet, Jojo the gecko, has any traits in common with the plants and animals they see. After watching for patterns in nature, Mr. Andre's students realize that plants, animals, and even humans are different, but they have many things in common!

Martha E. H. Rustad is the author of more than two hundred nonfiction children's books, on topics ranging from snowflakes to termites to the Statue of Liberty. She lives with her family in Brainerd, Minnesota.