The Gap Cycle Books in Order

3.5/5 · 25 ratings across 4 books · Open Library

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The Gap Cycle is a science fiction series by Stephen R. Donaldson, set in a future where human characters navigate conflicts involving ore-piracy, alien encounters, and moral dilemmas. The narrative centers on Morn Hyland, a former police officer, and her interactions with powerful figures such as Nick Succorso and Angus Thermopyle, as well as the enigmatic Amnion. The series explores themes of human conflict, alien influence, and the struggle for control in a vast and dangerous space setting.

Publication order

In the order the books were originally released.

  1. Cover of Forbidden knowledge

    Forbidden knowledge

    1991 · Stephen R. Donaldson

    Morn Hyland is an ex-police officer for the United Mining Companies and the target of two powerful men, Nick Succorso and Angus Thermopyle. Both see…

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  2. Cover of The real story

    The real story

    1991 · Stephen R. Donaldson

    Angus Thermopyle, an ore pirate and murderer feared even by disreputable asteroid pilots, arrives at Mallorys Bar & Sleep with Morn Hyland, a former…

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  3. Cover of A dark and hungry god arises

    A dark and hungry god arises

    1992 · Stephen R. Donaldson

    The galactic epic continues as humanity struggles against the forces of ultimate evil and its own dark nature. The stage is set for confrontation at…

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  4. Cover of Chaos and order

    Chaos and order

    1994 · Stephen R. Donaldson

    A 1994 novel by Stephen R. Donaldson about fugitives trapped aboard the renegade spaceship Trumpet, including former UMCP cop Morn Hyland, her…

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  5. Cover of This Day All Gods Die (Gap)

    This Day All Gods Die (Gap)

    1996 · Stephen R. Donaldson

    This Day All Gods Die is a 1996 science fiction novel by Stephen R. Donaldson. It is the final book in The Gap Cycle, a series of science fiction…

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Frequently asked questions

What order should I read the The Gap Cycle books in?

Read them in publication order, starting with “Forbidden knowledge”. Start with “Forbidden knowledge.”

How many books are in the The Gap Cycle series?

We list 5 books by Stephen R. Donaldson , published between 1991–1996.

Where can I buy the The Gap Cycle books?

Each title above links to Amazon. See our affiliate disclosure.

Reading order compiled from author/publisher guidance and verified bibliographic data. Spotted a wrong order, a missing book, or any other mistake? and we'll correct it.