The Diviner's Key

From Author Wars - https://authorwars.com/publications/the-diviners-key-87711.html

Overview:

Title: The Diviner's Key
Author: Melanie Rawn
Year: Unpublished
ISBN-10: 033372707X
Publisher: Macmillan UK
Pages: 432
Binding: Hardcover
Type: Novel
Title Reference: The Diviner's Key
Notes: This version was supposed to be released in 1998, but never appeared.