Ocean on Top

From Author Wars - https://authorwars.com/publications/ocean-on-top-276591.html

Overview:

Title: Ocean on Top
Author: Hal Clement
Year: 1976
ISBN-10: 0722124449
Publisher: Sphere Books
Price: £0.60
Pages: 159
Binding: Paperback
Type: Novel
Title Reference: Ocean on Top
Notes:
"Copyright © Harry C. Stubbs 1976" "First published in Great Britain by Sphere Books Ltd 1976" Month from amazon.uk Printing not stated, no number line "Cover illustration: David Bergen" on back cover, signed 'Bergen' lower left under submarine (above Sphere logo). Other prices: A$1.95, NZ$2.05, Rep. of Ireland 66p