• Doomsday on Ajiat by Neil R. Jones - Fehmerling Books
  • Title page of the vintage science fiction novel 'Doomsday on Ajiat' by Neil R. Jones. The right-hand page displays the title in bold stylized typography above a small pulp-style illustration of space travelers. The left-hand page identifies this as the fifth book in the Professor Jameson Space Adventures series, capturing the authentic vintage charm of this Ace Books edition.
  • An internal view of the vintage paperback 'Doomsday on Ajiat' by Neil R. Jones. The right-hand page features a dramatic heading, 'CAPTURED BY MONSTROUS ALIENS,' and describes a scene where bulking creatures attack the Zoromes. The book is resting on a black display stand, showcasing the authentic tanning and weathered texture of this classic space opera.
  • An internal page from the vintage paperback 'Doomsday on Ajiat' by Neil R. Jones, showcasing an advertisement for the Professor Jameson Space Adventures series. The page lists the first four books in the saga, including 'The Planet of the Double Sun' and 'Space War,' providing short plot summaries for each. The book is held open on a black stand, revealing the authentic paper tanning and vintage font of this classic Ace Books publication.
  • The back cover of the vintage Ace Books paperback 'Doomsday on Ajiat' by Neil R. Jones. The light blue cover features the dramatic heading 'the planet of monsters' in bold purple typography above a pink-tinted illustration of a planet. It includes a detailed synopsis describing the Zoromes discovering a planet about to explode and their encounter with 'brutish inhabitants,' capturing the high-stakes space opera tone of this classic 1960s volume.
  • Side-angle view of the Professor Jameson Space Adventures book 'Doomsday on Ajiat' resting on a grey surface. The screen captures the bold title, author name, and publisher's code (020-07719-050) on the spine, reflecting the classic Ace Books design. The layout emphasizes the historical importance of this renowned sci-fi volume, showing visible tanning and authentic aging.
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Neil R. Jones | Space Opera, Planetary Romance, and Apocalyptic

Doomsday on Ajiat by Neil R. Jones

Doomsday on Ajiat by Neil R. Jones

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Doomsday on Ajiat by Neil R. Jones

A classic from the Golden Age of Science Fiction, Doomsday on Ajiat follows the legendary adventures of Professor Jameson—the last Earthman, whose brain now resides in an immortal metal body—and his crew of machine-men, the Zoromes. In this gripping installment, the Zoromes guide their spaceship to the planet Ajiat, a world shadowed by a binary star system and facing an imminent cosmic cataclysm. Instead of a simple survival story, the novel unfolds as a high-stakes rescue mission where the logic of machines clashes with the chaos of a dying world. Neil R. Jones, often credited with inspiring the concept of cryonics and influencing giants like Isaac Asimov, delivers a quintessential space opera filled with unique alien ecology, advanced technology, and the enduring philosophical questions of immortality.

Why You’ll Love This Book

You will dive into the history of the genre with one of the earliest and most influential depictions of cyborgs in science fiction. The story offers that distinct "sense of wonder" specific to 1930s-60s pulp sci-fi, focusing on exploration and alien encounters rather than modern cynicism. It is a must-read for collectors interested in the roots of the space opera subgenre and the legacy of the Professor Jameson series.

Edition & Specifications

Publisher: Ace

Pages: 159

Format: Paperback

Publication Date: 1968

ISBN: 

Condition Note:

Condition & Grading Guide

How We Grade Our Books

  • 📸 True-to-Life Photos: For all vintage and pre-loved books, the photos on the page are of the exact physical copy on our shelf. Brand-new books feature official publisher cover art.
  • New: Direct from the publisher; immaculate, unread condition.
  • Like New: Pristine condition with minimal to no shelf wear; looks unread.
  • Very Good: Lightly read with minor shelf wear or light cover creasing. Pages are clean, crisp, and unmarked with a tight binding. (Our baseline standard for pre-loved books.)
  • Good: A well-loved reading copy with visible shelf wear or page aging, but fully intact and structurally sound.

Packaging & Shipping

Shipping Details & Delivery Speeds

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  • Expedited Shipping Available: Need it faster? UPS 2nd Day Air is available at checkout (ships out the next business day).

Read our full shipping policy here

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Our Guarantee & Return Policy

  • 14-Day Returns: Unread books and unopened tea packages can be returned within 14 days of delivery.
  • Damaged in Transit? If your shipment arrives damaged or incorrect, email us within 72 hours of delivery scan at customerservice@fehmerlingbooks.com. We’ll evaluate it immediately and provide a prepaid return label and replacement or full refund.
  • Hassle-Free Support: To start a return, simply email us with your order number.

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$9.00 USD
$9.00 USD
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