6 x H

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Overview:

Title: 6 x H
Author: Robert A. Heinlein
Year: 1971
Publisher: Pyramid Books
Price: $0.75
Pages: 191
Binding: Paperback
Type: Collection
Title Reference: They
Notes:
Stated 5th printing.
Original title: The Unpleasant Profession of Jonathan Hoag
WorldCat has the year as 1970