**Jill Esbaum is a writer of both fiction and nonfiction. Her books includes titles Scholastic's Nature Numbers series as well as the Little Kids First Big Book, Explore My World, and other series with National Geographic. She is also the author of Jack Knight's Brave Flight.

**Jill Esbaum is a writer of both fiction and nonfiction. Her books includes titles Scholastic's Nature Numbers series as well as the Little Kids First Big Book, Explore My World, and other series with National Geographic. She is also the author of Jack Knight's Brave Flight.