Notes: • "First Printing, September 1973" • Thirteenth printing by number line 13—20 • Date from Locus1 • This is the first edition to give writing co-credit to Paul Edwin Zimmer • "Cover art by Richard Hescox" on copyright page, the artwork is also signed with ©91 • The DAW books collectors number 70 on the front cover is incorrect: it should have been 71. • Interior art piece is not credited, has Barr's signature • Printed in the US