The Big Sun of Mercury

From Author Wars - https://authorwars.com/publications/the-big-sun-of-mercury-160971.html

Overview:

Title: The Big Sun of Mercury
Author: Isaac Asimov
Year: 1974
ISBN-10: 0450017672
Publisher: New English Library
Price: £0.30
Pages: 143
Binding: Paperback
Type: Novel
Title Reference: The Big Sun of Mercury
Notes: First NEL stand-alone paperback printing. "No. 3 in the series" according to front cover, confirmed by back blurb, although this title got reshuffled to number 4 later. Artist credit from The Fights of Icarus by Martyn & Roger Dean; ISBN 0-89104-117-6 Other prices: Cyprus 300 Mils, Gibraltar 35p, Malta 35c, New Zealand $1.00, Spain Pts 80, Australia $1.00