Wendy Pfeffer is the author of several titles in the Let's Read and Find Out Science series, including From Tadpole to Frog, What's It Like to Be a Fish?, From Seed to Pumpkin, Sounds All Around, Light is All Around You, Wiggling Worms at Work, Dolphin Talk, and Life in a Coral Reef. She lives in Pennington. NJ and enjoys making author visits to schools. You can visit her online at www.author-illustrator-source.com/wendy-pfeffer.html. Holly Keller has illustrated a number of books in the Lets-Read-and-Find-Out Science series, including Be a Friend to Trees. She is also the author and illustrator of many picture books, including Island Baby and Horace. Ms. Keller lives in West Redding, Connecticut.