Download or read book Promise of Shadows written by Justina Ireland and published by Simon and Schuster. This book was released on 2014-03-11 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a human/god offspring, Zephyr Mourning is destined for a life of servitude but when she uses a forbidden dark power to kill the minor god who murdered her sister she is sent to Tartarus, where she discovers that she may be the Nyx, a dark goddess prophesied to change the balance of power.