Jacqueline Jules is a former school librarian and author of forty books for young readers, including the Zapato Power series, the Sofia Martinez series, and Unite or Die: How Thirteen States Became a Nation. She is also a poet and the author of three poetry chapbooks, Field Trip to the Museum, Stronger than Cleopatra, and Itzhak Perlman's Broken String. Her work has appeared in numerous publications including Cicada, Highlights for Children, Cricket, Spider, YARN, Germ Magazine, The Poetry Friday Anthologies, and One Minute Till Bedtime. She lives in Port Washington, NY.

Eszter Anna Rácz is a freelance illustrator from Hungary who specializes in hand-made art using collage techniques and hand-painted paper. She has three kids and fell in love with children's illustration while reading her children stories. Eszter graduated from MOME, Budapest, and lives in Hungary.