In This World, or Another

From Author Wars - https://authorwars.com/publications/in-this-world-or-another-266495.html

Overview:

Title: In This World, or Another
Author: James Blish
Year: 2003
ISBN-10: 0786253495
Publisher: Five Star
Price: $25.95
Pages: 413
Binding: Hardcover
Type: Collection
Title Reference: A Work of Art
Notes: First printing as per copyright page.
Note that the book hasn't got any price tag.
This has a preface and introductions to five stories by Blish from Best SF Stories of James Blish (Faber & Faber 1965), with added comments on the remaining stories by his widow, Judith Lawrence Blish.