Author Pam Muñoz 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. In 2015 her title Echo made The New York Times Best Seller List. She also won a Kirkus Prize in the children's literature category with her title 'Echo'.
Peter Sis was born in Brno, Czechoslovakia, in 1949 and attended the Academy of Applied Arts in Prague and the Royal College of Art in London. He began his career as a filmmaker and won the Golden Bear Award at the 1980 West Berlin Film Festival for an animated short. He has also won the Grand Prix Toronto and the Cine Golden Eagle Award, and in 1983 collaborated with Bob Dylan on You Got to Serve Somebody. His film work is in the permanent collection of the Museum of Modern Art, New York. In 1982 Sis was sent to Los Angeles to produce a film for the 1984 Winter Olympics. But the film project was canceled when Czechoslovakia and the entire Eastern bloc decided to boycott the Olympics. Ordered by his government to return home, Sis decided to stay in the United States and was granted asylum. Sis then met Maurice Sendak who introduced him to children's books, and he moved to New York City in 1984 to begin a career in children's literature. Sís earned quick acclaim with the publication of the 1986 Newbery Medal Winner, The Whipping Boy by Sid Fleishman, for which he did the illustrations. Sis is a five-time winner of The New York Times Book Review Best Illustrated Book of the Year.. Komodo! and A Small Tall Tale from the Far Far North were each named a Boston Globe-Horn Book Award Honor Book, and he has won a Society of Illustrators Gold Medal for Komodo! and a Silver Medal for The Three Golden Keys. Starry Messenger: Galileo Galilei was a 1997 Caldecott Honor Book, as was Tibet Through the Red Box. Sis has also received a MacArthur Fellowship Sis' editorial illustrations have appeared in Time, Newsweek, Esquire, The Atlantic Monthly, and many other magazines in the United States and abroad. He has published nearly 1,000 drawings in The New York Times Book Review. He has designed many book jackets and posters, including, in 1984, the famous poster for Milos Forman's Academy Award-winning motion picture Amadeus. He has also completed a mural for the Washington/Baltimore Airport, a poster for the New York City subway system, and a stage set for the Joffrey Ballet. His work has been exhibited in Prague, London, Zurich, Hamburg, Los Angeles, and New York in both group and one-man shows.