The Robot Trilogy

From Author Wars - https://authorwars.com/books/the-robot-trilogy-30363.html

Overview:

Title: The Robot Trilogy
Author: Isaac Asimov
Year: 1986
Type: Omnibuses
Series: Elijah Baley / R. Daneel Olivaw

Variant Titles:

Editions/Publications:

Unknown. The Robot Trilogy (Unknown, Isaac Asimov, Del Rey / Ballantine, ISBN-10: 0345329716, $12.95, 209, 208, 398 pages, Paperback, Omnibus)
Unknown. The Robot Trilogy (Unknown, Isaac Asimov, Del Rey / Ballantine, ISBN-10: 0345351983, $11.85, Paperback, Omnibus)