David A. Adler was born in New York City. He attended Queen's College in New York City and later, earned an MBA in Marketing from New York University. He writes both fiction and non-fiction. He is the author of Cam Jansen mysteries and the Andy Russell titles. His titles has earned him numerous awards including a Sydney Taylor Book Award for his title "The Number on My Grandfather's Arm," "A Picture Book of Jewish Holidays" was named a Notable Book of 1981 by the American Library Association and "Our Golda" was named a Carter G. Woodson Award Honor Book.
Karen Ritz has illustrated more than forty books. She has a degree in Children's Literature from the University of Minnesota, and much of her original work is housed there in The Children's Literature Research Collection. She lives in St. Paul, Minnesota