Extra stamp on top page block. Age tanning is moderate and uniform - consistent with book's vintage.

The Wall Around the World (1962) by Theodore Cogswell - his first collection of stories. Cogswell had several dozen stories in the traditional SF magazines in the Fifties and early Sixties - most of which are collected in 2 collections (in 1962 and 1968.)

(2 introductions - by Anthony Boucher, Fred Pohl)
The Masters
The Specter General
Wolfie
Emergency Rations
The Burning
Thimgs
Test Area
Prisoner of Love
Invasion Report
The Wall Around the World

These originally appeared from 1952 to 1960 in Thrilling Wonder Stories, Astounding, Beyond, Fantastic Universe, Magazine of F&SF, Galaxy and Imagination. "The Specter General" was his first story, and a cover-story for Astounding.