The Book of Silence

From Author Wars - https://authorwars.com/publications/the-book-of-silence-275306.html

Overview:

Title: The Book of Silence
Author: Lawrence Watt-Evans
Year: 1988
ISBN-10: 0345339630
Publisher: Del Rey / Ballantine
Price: $3.95
Pages: 326
Binding: Paperback
Type: Novel
Title Reference: The Book of Silence
Notes: Fifth printing.
The cover art shown is from the first printing, the author's site (http://www.watt-evans.com/thebookofsilence.html) says that there were "minor changes" to the cover for the fourth and fifth printings.
This entry based on data from the author's site.(DES) ISBN and price on this book from The Whole Science Fiction Data Base No.5.