The Fox Valley Murders / The Pleasant Grove Murders

From Author Wars - https://authorwars.com/publications/the-fox-valley-murders--the-pleasant-grove-murders-327058.html

Overview:

Title: The Fox Valley Murders / The Pleasant Grove Murders
Author: Jack Vance
Year: 2005
ISBN-10: 0971237514
Publisher: Vance Integral Edition
Pages: [viii]+492
Binding: Hardcover
Type: Omnibus
Title Reference: The Fox Valley Murders
Notes:
This book was published as part of the Vance Integral Edition, which could only be purchased as a complete set of 44 books.
600 sets, most of which were the Reader's Edition like this book at $1500 per set.
Of these, 250 were numbered and signed by Vance in the 44th volume. A small number of Deluxe, fully leather-bound sets with ribbon markers were produced at $3000.
Cloth covers, leather spine.