Siegel, Mark: - Mark Siegel is the author and illustrator of several award-winning picture books and graphic novels, including Tiny Dancer, To Dance, Moving House, and Sailor Twain. His latest project is the collaborative graphic novel series 5 Worlds, an epic science fiction story for young readers. In addition to writing and illustrating, Mark is also the founder and creative and editorial director of First Second Books, Macmillan's graphic novel house. The Siegels live in Tarrytown, New York. Visit Mark at MarkSiegelBooks.com.

Rylant, Cynthia: - Cynthia Rylant is the author of more than 100 books for young people, including the beloved Henry and Mudge, Annie and Snowball, Brownie & Pearl, Motor Mouse, Hornbeam, and Mr. Putter & Tabby series. Her novel Missing May received the Newbery Medal. She lives in Portland, Oregon.