Author Pam Muoz Ryan was born in Bakersfield, California on December 25, 1951. She received a B. A. in child development and a M. A. in education from San Diego State University. Before becoming a full-time author, she worked as a bilingual Head Start teacher and as an early childhood program administrator. At first, she wrote adult books about child development, but soon switched to writing children's books. She has written over twenty-five picture books, novels, and nonfiction books for young readers. The novel Esperanza Rising, winner of the Pura Belpre Medal, the Jane Addams Peace Award, an ALA Top Ten Best Book for Young Adults, and the Americas Award Honor Book, is based on her own grandmother's immigration from Mexico to California. Riding Freedom has also won many awards including the national Willa Cather Award and the California Young Reader Medal. When Marian Sang, a picture book about singer Marian Anderson, won numerous awards including the ALA Sibert Honor and NCTE's Orbis Pictus Award. She currently lives in Leucadia, California.
In addition to The Invention of Hugo Cabret, Brian Selznick is the illustrator of the Caldecott Honor winner, The Dinosaurs of Waterhouse Hawkins, and The New York Times Best Illustrated Walt Whitman: Words for America, both by Barbara Kerley, as well as the Sibert Honor Winner When Marian Sang, by Pam Muñoz Ryan, and numerous other celebrated picture books and novels. Brian has also worked as a set designer and a puppeteer. When he isn’t traveling to promote his work all over the world, he lives in San Diego, California, and Brooklyn, New York.