Best Mystery Audiobooks Over 30 Hours

Mystery audiobooks filtered to over 30 hours of listening time — scored by reader and listener reviews.

Mystery audiobooks over 30 hours are immersive investigations that let you spend weeks inside a single case — or a series of interconnected ones. These marathon listens often feature beloved detective characters, sprawling conspiracies, or multi-book arcs where the narrator's performance deepens with every installment.

These are the highest-rated mystery audiobooks over 30 hours, scored by reader and listener reviews.

Where to Start with Mystery Audiobooks Over 30 Hours

  1. 1
    Sherlock Holmes: The Definitive Audio Collection cover

    Sherlock Holmes: The Definitive Audio Collection

    Sherlock Holmes #1-9 • Book 1

    by Arthur Conan Doyle, Stephen Fry

    Narrated by Stephen Fry

    4.97 ABR Score (239.5K ratings)
    ★ 4.51 Goodreads (217.9K) ★ 4.84 Audible (21.6K)
    71h 57m listening time • Released 2017
  2. 2
    The Running Grave cover

    The Running Grave

    Cormoran Strike • Book 7

    by Robert Galbraith, J.K. Rowling

    Narrated by Robert Glenister

    4.91 ABR Score (119.3K ratings)
    ★ 4.59 Goodreads (113.0K) ★ 4.83 Audible (6.2K)
    34h 14m listening time • Released 2023
  3. 3
    The complete Sherlock Holmes cover

    The complete Sherlock Holmes

    Sherlock Holmes #1-9

    by Arthur Conan Doyle

    Narrated by Simon Vance

    4.82 ABR Score (226.9K ratings)
    ★ 4.51 Goodreads (217.8K) ★ 4.74 Audible (9.0K)
    58h 4m listening time • Released 2013

    Simon Vance's narration transforms these detective stories into pure listening pleasure, giving each character distinct voice and energy across 58 hours that feel effortless to devour.

  4. 4
    Troubled Blood cover

    Troubled Blood

    Cormoran Strike • Book 5

    by Robert Galbraith, J.K. Rowling

    Narrated by Robert Glenister

    4.79 ABR Score (161.5K ratings)
    ★ 4.38 Goodreads (149.1K) ★ 4.77 Audible (12.4K)
    31h 51m listening time • Released 2020
  5. 5
    Torrent Witches Cozy Mysteries Complete Box Set (Books 1 - 10) cover

    Torrent Witches Cozy Mysteries Complete Box Set (Books 1 - 10)

    Torrent Witches #1-10 • Book 1

    by Tess Lake

    Narrated by Natalie Duke

    4.64 ABR Score (8.1K ratings)
    ★ 4.52 Goodreads (2.4K) ★ 4.75 Audible (5.7K)
    65h 31m listening time • Released 2022
  6. 6
    Hercule Poirot cover

    Hercule Poirot

    Hercule Poirot #0.1-0.51

    by Agatha Christie

    Narrated by David Suchet, Hugh Fraser, Nigel Hawthorne, Isla Blair, Simon Vance

    4.62 ABR Score (12.7K ratings)
    ★ 4.36 Goodreads (10.9K) ★ 4.81 Audible (1.7K)
    35h 5m listening time • Released 2021

    David Suchet's definitive performance as Poirot anchors this collection of 51 short stories, each a perfectly compact puzzle that rewards listening in one sitting.

  7. 7
    The Ink Black Heart cover

    The Ink Black Heart

    Cormoran Strike • Book 6

    by Robert Galbraith

    Narrated by Robert Glenister

    4.28 ABR Score (126.9K ratings)
    ★ 4.13 Goodreads (118.0K) ★ 4.4 Audible (9.0K)
    32h 42m listening time • Released 2022
  8. 8
    Hallowe'en Party (The Agatha Christie collection: Poirot) cover

    Hallowe'en Party (The Agatha Christie collection: Poirot)

    Hercule Poirot • Book 36

    by Agatha Christie

    Narrated by Stephen Scalon

    3.93 ABR Score (106.7K ratings)
    ★ 3.56 Goodreads (106.4K) ★ 4.53 Audible (363)
    35h 57m listening time • Released 2023
  9. 9
    The Matter of Black Lives: Writing from The New Yorker cover

    The Matter of Black Lives: Writing from The New Yorker

    by Jelani Cobb, David Remnick

    Narrated by JD Jackson, Adjoa Andoh, January LaVoy, Maggi-Meg Reed, Jane Copland, Kaleo Griffith

    3.82 ABR Score (271 ratings)
    ★ 4.45 Goodreads (244) ★ 4.63 Audible (27)
    30h 1m listening time • Released 2021

    A century of The New Yorker's essential essays on race in America, from Baldwin to Coates, elevated by six narrators who bring distinct voices to each piece. The audio format transforms these arguments into intimate conversations.

  10. 10
    Bright Segments cover

    Bright Segments

    by James Sallis

    Narrated by Dan John Miller, Morgan Hallett, Gideon Emery

    3.41 ABR Score (6 ratings)
    ★ 3.67 Goodreads (6)
    30h 25m listening time • Released 2024

How We Rank Audiobooks

Rankings are driven by listener ratings and review counts from Audible and Goodreads. Books with high ratings across a large number of listeners rank higher — a 4.5 with 50,000 ratings says more than a 4.8 with 200.

Unlike most book lists, we weight audiobook-specific factors: narrator performance, production quality, and how well a story translates to audio. A great book with a poor narration isn't a great audiobook.

We don't accept paid placements or prioritize new releases. These rankings reflect what listeners actually enjoy, not what's being promoted.

Rankings update periodically as new ratings come in and new titles are added to the collection.

Read our full ranking methodology →