Doppelgangers
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Overview:
- Title: Doppelgangers
- Author: H. F. Heard
- Year: 1966
- Publisher: Ace Books
- Price: $0.45
- Pages: 253
- Binding: Paperback
- Type: Novel
- Title Reference: Doppelgangers
- Notes:
- Copyright page only states : "Copyright, 1947, by H. F. Heard"; no printing date, no number line.
- Cover art credit on copyright page; faintly visible signature (bottom left) [not on all copies, some crop it].
- Uncredited inside art, signed JG (Jack Gaughan's initials).
- OCLC notes the date 1966: "Publication date from American Book Publishing Record, 1965-1969, vol. IV."