Poseidon's Shadow
From Author Wars - https://authorwars.com/publications/poseidons-shadow-929336.html
Overview:
- Title: Poseidon's Shadow
- Author: A. P. Kobryn
- Year: 1979
- ISBN-10: 0892560878
- Publisher: Rawson, Wade
- Price: $8.95
- Pages: 243
- Binding: Hardcover
- Type: Novel
- Title Reference: Poseidon's Shadow
- Notes: Stated First Edition Price found in search of Google Books copy; it's barely visible on top of front flap of Archive.org copy. Jack Ribik is credited for jacket design on back flap.