Jess Black (Author) Jess Black is an Australian author of children's books. She has written over thirty junior fiction books and two picture books, Moon Dance and The Bold Australian Girl (July 2017 release). Jess is the author of the Keeper of the Crystals series and the co-author of the hugely successful Bindi Wildlife Adventure series, RSPCA Animal Tales series and The Kaboom Kid series with David Warner.