The Last Master by Gordon R. Dickson
Title: The Last Master
Author: Gordon R. Dickson
Cover Artist: David Mattingly
Language: English
Original Publisher: J.B. Lippincott
Originally Published: November 1973
Publisher: Tor Books
Published: February 1984
ISBN-10: 0812535626
ISBN-13: 9780812535624
Notes: Expanded and revised version of Dickson’s The R-Master.