Corey Rosen Schwartz is a fan of reading, rhyming, and writing with a partner. She is the mother of a bossy she-moose and a sensitive little fox who carries his toolbox everywhere. Visit her online at CoreyRosenSchwartz.com. Rebecca J. Gomez doesn't know much about building a tree house, but she is an expert at setting up blanket forts! When she isn't building forts or writing books, she enjoys reading, making recycled art, and hanging out with her family. She lives in Nebraska with her husband, three kids, two poodles and one parrotlet. Visit her online at RebeccaJGomez.com. Keika Yamaguchi fondly remembers secret hiding places she and her cousins played in as children. Though she always dreamed of building a tree house, it never happened. In drawing Moose and her friends, Keika has had a second chance at childhood fantasies. She lives in Los Angeles with her dog Ellie. Visit her online at KeikasHouse.com.