Jane Yolen, 87, author of 450 books, died on June 11. Yolen’s books include Holocaust novella The Devil’s Arithmetic, plus 40 other novels. Her final novel MONSTER OF FIFE: TERROR BIRDS will be published on July 14. In addition to her prolific writing career, Yolen also ran her own young adult fiction imprint at Harcourt Brace from 1990-1996.