Johanna Johnston was a renowned children's author based in the USA. She also wrote scripts for radio, including for the long-running children's series Let's Pretend, as well as children's stories, retellings of myths and children's history. Leonard Weisgard was an award-winning illustrator who published over 200 children's books. After studying illustration in New York he began a successful collaboration with the author Margaret Wise Brown as well as writing books of his own. He also worked with the American Library Association in the field of children's education.