Many Waters

From Author Wars - https://authorwars.com/publications/many-waters-560512.html

Overview:

Title: Many Waters
Author: Madeleine L'Engle
Year: Unknown
ISBN-10: 0440405483
Publisher: Dell Yearling
Price: $5.50
Pages: 310
Binding: Trade Paperback
Type: Novel
Title Reference: Many Waters
Notes: Number line 21-15
Cover artist credited on back cover, sigil on front cover, lower left, "(c) '90"