The Books Insiderindependent audiobook data
Sherlock Holmes vs. Cthulhu: The Adventure of the Innsmouth Mutations by Lois H. Gresh

Sherlock Holmes vs. Cthulhu: The Adventure of the Innsmouth Mutations: Audiobook

Book 3 of the Sherlock Holmes vs. Cthulhu series

According to The Books Insider's catalog data, the Sherlock Holmes vs. Cthulhu: The Adventure of the Innsmouth Mutations audiobook runs 8.5 hours unabridged, narrated by Dennis Kleinman (about 5.7 hours at 1.5× playback speed).

8.5listening hrs
Horrorstore shelf
2020released
Free for new listeners

The instrument When will you finish it?

Based on 8.5 hours of listening.

Days to finish Sherlock Holmes vs. Cthulhu: The Adventure of the Innsmouth Mutations at common listening paces
Your paceYou'll finish in
30 min / day17 days
1 hour / day9 days
2 hours / day5 days
1 hour / day at 1.5×6 days

Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.

What our data says

  • At 8.5 hours, it runs longer than 62% of the 5,506 Horror audiobooks in our catalog.

Catching up on The Sherlock Holmes vs. Cthulhu Series

This is book 3. Books 1 to 2 run 21.9 hours before it; books 1 to 3 run 30.4 hours in all.

Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.

About this listen

Sherlock Holmes vs. Cthulhu: The Adventure of the Innsmouth Mutations is book 3 of Lois H. Gresh's Sherlock Holmes vs. Cthulhu series: a 8.5-hour unabridged recording, read by Dennis Kleinman, released November 10, 2020, on the Horror shelf.

The listen at a glance

Length
8.5 hrs
Narrated by
Dennis Kleinman
Released
November 10, 2020
Format
Unabridged audiobook
Language
English
Store shelves
Horror
Series
The Sherlock Holmes vs. Cthulhu Series #3
ISBN
9781094176154

How to listen to Sherlock Holmes vs. Cthulhu: The Adventure of the Innsmouth Mutations free

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Questions listeners ask

How long is the Sherlock Holmes vs. Cthulhu: The Adventure of the Innsmouth Mutations audiobook?

Sherlock Holmes vs. Cthulhu: The Adventure of the Innsmouth Mutations runs 8.5 hours unabridged. At 1.5× speed that drops to roughly 5.7 hours.

Is the Sherlock Holmes vs. Cthulhu: The Adventure of the Innsmouth Mutations audiobook free?

Yes, for new listeners: the trial starts you with three free audiobooks.

Who narrates Sherlock Holmes vs. Cthulhu: The Adventure of the Innsmouth Mutations?

Sherlock Holmes vs. Cthulhu: The Adventure of the Innsmouth Mutations is narrated by Dennis Kleinman.