並行世界

From Author Wars - https://authorwars.com/books/bing-xing-shi-jie-1994307.html

Overview:

Title: 並行世界
Author: 筒井康隆
Year: 1976
Type: Short Fiction

Editions/Publications:

Unknown. メタモルフォセス群島 (Unknown, 筒井康隆, 新潮社, ISBN-10: 4103145056, 258 pages, Hardcover, Collection)