Tom O'Donnell is the author of the Hamstersaurus Rex series as well as Space Rocks and its sequel, Space Rocks 2: For the Love of Gelo! He has written for the New Yorker, McSweeney's, and the show TripTank on Comedy Central. His comic strips have been featured in the New York Press and the Village Voice. He lives with his family in Brooklyn, New York. Read more at www.tomisokay.com. Tim Miller is an author and illustrator of children's books who lives in New Jersey with his wife and three rescue cats. His picture books include Izzy Paints; Tiny Kitty, Big City; Moo Moo in a Tutu; and What's Cooking, Moo Moo? He has also illustrated the picture books Horse Meets Dog by Elliott Kalan, Snappsy the Alligator (Did Not Ask to Be in This Book) and Snappsy the Alligator and His Best Friend Forever! (Probably) by Julie Falatko, Margarash by Mark Riddle, and the middle grade series Hamstersaurus Rex by Tom O'Donnell. You can visit Tim online at timmillerillustration.com.