Quag Keep & Return to Quag Keep

From Author Wars - https://authorwars.com/publications/quag-keep--return-to-quag-keep-296454.html

Overview:

Title: Quag Keep & Return to Quag Keep
Author: Andre Norton, Jean Rabe
Year: 2006
ISBN-10: 0739464183
Publisher: Science Fiction Book Club
Price: $12.99
Pages: 435
Binding: Hardcover
Type: Omnibus
Title Reference: Quag Keep
Notes:
"First SFBC Science Fiction Printing: February 2006" stated on the copyright page. ISBN stated on the copyright page. "Jacket art by J.P. Targete" stated on the dust jacket rear flap. SFBC #1206501 (printed on the back of the dust jacket). SFBC catalog #18-0022 Locus1 shows the pub date as Mar 2006.