The Life Watch / Creatures of the Abyss

From Author Wars - https://authorwars.com/publications/the-life-watch--creatures-of-the-abyss-364583.html

Overview:

Title: The Life Watch / Creatures of the Abyss
Author: Lester del Rey, Murray Leinster
Year: 2011
ISBN-10: 9781612870342
Publisher: Armchair Fiction
Price: $12.95
Pages: 216
Binding: Trade Paperback
Type: Omnibus
Title Reference: Creatures of the Abyss
Notes: Data from Amazon.com as of 2011-10-18. The cover art was used for the magazine publication of "The Life Watch ".