Alternate Orbits / The Dark Dimensions

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Overview:

Title: Alternate Orbits / The Dark Dimensions
Author: A. Bertram Chandler
Year: 1971
ISBN-10: 0441137830
Publisher: Ace Books
Price: $0.75
Pages: 117+136
Binding: dos
Type: Omnibus
Title Reference: The Dark Dimensions
Notes:
- Alternate Orbits 136 pages.
  - Copyright © 1971 by A. Bertram Chandler.
  - Cover by Karel Thole.
  - Frontispiece illustration not titled, but is signed "Jg" at bottom right.
- The Dark Dimensions 117 pages.
  - Copyright © 1971 by A. Bertram Chandler.
  - Cover art by Kelly Freas.
  - "With sincere thanks to Poul Anderson for the loan of Captain Sir Dominic Flandry."
  - Frontispiece illustration not titled, but is signed "Jg" for Jack Gaughan.
- ISBN derived from partial SBN on spine (441-13783-075)