Exit Humanity

From Author Wars - https://authorwars.com/books/exit-humanity-189209.html

Overview:

Title: Exit Humanity
Author: Leo Brett
Year: 1960
Type: Novels

Editions/Publications:

Unknown. Exit Humanity (Unknown, Leo Brett, Badger, 2/-, 142 pages, Paperback, Novel)
Unknown. Exit Humanity (Unknown, Leo Brett, Arcadia House, $2.95, 192 pages, Hardcover, Novel)
2013 . Exit Humanity (2013, Leo Brett, Gateway / Orion, ISBN-10: 9781473203747, £2.99, ebook, Novel)