The Book of the River

From Author Wars - https://authorwars.com/publications/the-book-of-the-river-36404.html

Overview:

Title: The Book of the River
Author: Ian Watson
Year: 1986
ISBN-10: 0886771056
Publisher: DAW Books
Price: $2.95
Pages: 256
Binding: Paperback
Type: Novel
Title Reference: The Book of the River
Notes:
- "First DAW Printing, January 1986/123456789"
- Cover art is credited to Jael on the copyright page
- DAW Collectors No. 659; catalog #UE2105