Jill Esbaum has written many books for children, including How to Grow a Dinosaur, Frankenbunny, and If a T. Rex Crashes Your Birthday Party. Several of her books have been nominated for state awards, and I Am Cow, Hear Me Moo! won SCBWI's Crystal Kite award. She also enjoys writing kooky beginning reader stories like Thunder and Cluck, as well as a variety of nonfiction books for National Geographic. Learn more at jillesbaum.com, and follow Jill on Twitter @JEsbaum.

Bob Shea is an award-winning author and illustrator of children's books including the popular Ballet Cat series, The Dinosaur VS... series, and the runaway smash hit, Unicorn Thinks He's Pretty Great. He is an Eisner Award Nominee and has worked with Comedy Central, PBS Kids, Playhouse Disney, Nick Jr., Google, and other clients. Learn more at bobshea.com.