The River of Shadows

From Author Wars - https://authorwars.com/publications/the-river-of-shadows-342770.html

Overview:

Title: The River of Shadows
Author: Robert V. S. Redick
Year: Unpublished
ISBN-10: 9780345523815
Publisher: Del Rey / Ballantine
Price: $27.00
Pages: 592
Binding: Hardcover
Type: Novel
Title Reference: The River of Shadows
Notes: Data from Amazon.com as of 2011-01-31. This was announced as a hardcover edition to be published 2011-04-19, but there is no evidence that it was ever published.