Free Sci-Fi Mystery Audio Books Download

Unabridged audio books downloads for free in following below:

The Heechee Saga - a.k.a. The Gateway Series - Frederik Pohl

Category: Adults  Classic  Mystery  Sci-Fi 
Language: EnglishKeywords: Aliens  Artificial Intelligence  Black Holes  Space Exploration 

Shared by:prettyrandom

Frederik Pohl The Heechee Saga - a.k.a. The Gateway Series

Posted: 27 Apr 2026
Format: M4B / Bitrate: 128 Kbps
File Size: 1.72 GBs

Audiobook DetailsDirect Download

The Pyramid of the Sun A Mitch Dinkle Archaeological Thriller (Heir to Atlantis, Book #5) - Chris Fox

Category: Mystery  Sci-Fi 
Language: EnglishKeywords: Adventure  Alternate History  Archaeologist  Historical  Mythology 

Shared by:CS81

Chris Fox The Pyramid of the Sun A Mitch Dinkle Archaeological Thriller (Heir to Atlantis, Book #5)

Posted: 22 Apr 2026
Format: M4B / Bitrate: 192 Kbps
File Size: 521.48 MBs

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The Pharaoh Gene: A Mitch Dinkle Archaeological Thriller (Heir to Atlantis, Book #4) - Chris Fox

Category: Mystery  Sci-Fi 
Language: EnglishKeywords: Adventure  Alternate History  Archaeologist  Historical  Mythology 

Shared by:CS81

A Mitch Dinkle Archaeological Thriller (Heir to Atlantis, Book #4)

Posted: 22 Apr 2026
Format: M4B / Bitrate: 192 Kbps
File Size: 501.72 MBs

Audiobook DetailsDirect Download

The Eye of the Sahara: A Mitch Dinkle Archaeological Thriller (Heir to Atlantis, Book #3) - Chris Fox

Category: Mystery  Sci-Fi 
Language: EnglishKeywords: Adventure  Alternate History  Archaeologist  Historical  Mythology 

Shared by:CS81

A Mitch Dinkle Archaeological Thriller (Heir to Atlantis, Book #3)

Posted: 22 Apr 2026
Format: M4B / Bitrate: 192 Kbps
File Size: 610.51 MBs

Audiobook DetailsDirect Download

Beneath Khafre’s Pyramid: A Mitch Dinkle Archaeological Thriller (Heir to Atlantis, Book #2) - Chris Fox

Category: Mystery  Sci-Fi 
Language: EnglishKeywords: Adventure  Alternate History  Archaeologist  Historical  Mythology 

Shared by:CS81

A Mitch Dinkle Archaeological Thriller (Heir to Atlantis, Book #2)

Posted: 22 Apr 2026
Format: M4A / Bitrate: 128 Kbps
File Size: 344.49 MBs

Audiobook DetailsDirect Download

An Arthur C. Clarke Collection - 16 Novels & 104 Short Stories - Arthur C. Clarke, Stephen Baxter, Gentry Lee, Alastair Reynolds

Category: Adults  Mystery  Novel  Sci-Fi 
Language: EnglishKeywords: Aliens  Big Dumb Object  First Contact  NASA  Science Fiction  Space Exploration 

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Arthur C. Clarke, Stephen Baxter, Gentry Lee, Alastair Reynolds An Arthur C. Clarke Collection - 16 Novels & 104 Short Stories

Posted: 19 Apr 2026
Format: M4B / Bitrate: 128 Kbps
File Size: 6.51 GBs

Audiobook DetailsDirect Download

Nobody’s Baby - Olivia Waite

Category: Gay  Mystery  Sci-Fi 
Language: EnglishKeywords: Dorothy Gentleman Book 2 

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Olivia Waite Nobody's Baby

Posted: 10 Mar 2026
Format: M4B / Bitrate: ?
File Size: 188.8 MBs

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Team Psi 1-2 The Alpha Enigma, Implacable Alpha - W. Michael Gear

Category: Adults  Mystery  Sci-Fi 
Language: EnglishKeywords: Ancient Aliens  Pyramids  Thriller  Time Travel 

Shared by:Dallis24

W. Michael Gear Team Psi 1-2 The Alpha Enigma, Implacable Alpha

Posted: 2 Mar 2026
Format: M4B / Bitrate: Variable
File Size: 1.27 GBs

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The Hospital at the End of the World - Justin C. Key

Category: Mystery  Sci-Fi 
Language: EnglishKeywords: Dystopia 

Shared by:AbbRequests

Justin C. Key The Hospital at the End of the World

Posted: 14 Feb 2026
Format: M4B / Bitrate: 64 Kbps
File Size: 403.4 MBs

Audiobook DetailsDirect Download

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