The Foundation Trilogy

From Author Wars - https://authorwars.com/publications/the-foundation-trilogy-632466.html

Overview:

Title: The Foundation Trilogy
Author: Isaac Asimov
Year: 1976
ISBN-10: 0283354976
Publisher: Sidgwick & Jackson
Price: £4.95
Pages: 227+viii+227+vi+225
Binding: Hardcover
Type: Omnibus
Title Reference: Second Foundation
Notes: Probable first S&J printing. Retains the Doubleday title page and spine, only mention of S&J is on dj, gutter code "31 R". Price on a sticker. Artist not credited. Precise pub date from review slip in PV1's copy.