About the Author

---

ANDREA SILEN is a writer, editor, and frequent contributor to National Geographic Kids media, including National Geographic Kids magazine and its companion website. She lives in Washington, D.C.

KELLY HARGRAVE writes a variety of nonfiction and novelty children’s books for top publishers and licensed properties that inspire kids to think genuinely and creatively about their own world, full of unexpected discoveries and incredible possibilities. Hargrave lives in Colorado, where she loves exploring nature with a pen, paper, and camera always at the ready. Web: www.kellyhargrave.com.