About the Author

Wendy Pfeffer is the author of several titles in the Let's-Read-and-Find-Out Science series, including Sounds All Around and Wiggling Worms at Work. She lives in Pennington, New Jersey.

• Children & Teens > Children’s & young adult general non-fiction > Nature, the natural world (children’s/ya) > Dinosaurs & prehistoric world (children’s/ya)
• Children & Teens > Children’s & young adult general non-fiction > Practical interests (children’s/ya)
• Children & Teens > Educational material > Educational: sciences, general science > Educational: biology