Heirs of darkness By Snyder, Zilpha Keatley Books / Hardcover Fiction › Literature & Fiction ISBN: 068910913X / Publisher: Atheneum, January 1978 Price $19.95 Free Shipping Send to a friend Collectible - Acceptable First Edition With Dust Jacket First edition copy. Collectible - Acceptable. Good dust jacket. Former Library book. Stamped on dedication page. Spine slanted. $19.95 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.