Zilpha Keatley Snyder

Zilpha Keatley Snyder (May 11, 1927 – October 8, 2014) was an American author of books for children and young adults. Three of Snyder's works were named Newbery Honor books: "The Egypt Game", "The Headless Cupid" and "The Witches of Worm".
Snyder died in San Francisco, California from a stroke, aged 87.