Endangered Species

From Author Wars - https://authorwars.com/publications/endangered-species-323245.html

Overview:

Title: Endangered Species
Author: Gene Wolfe
Year: 1990
ISBN-10: 0708883257
Publisher: Orbit / Futura
Price: £4.99
Pages: vi+506
Binding: Trade Paperback
Type: Collection
Title Reference: Endangered Species
Notes:
"First published in Great Britain in 1990"
Publication month from Locus1
Printing not stated, no number line
Cover artist is not credited, the initials PE are on the spine [wraparound artwork], and the same illustration is on Peter Elson's website.
$14.95 in Australia, $17.95 in New Zealand
Paperback Inferno review gives page count as 231.