The Books Insiderindependent audiobook data
The Case of the Grinning Gorilla by Erle Stanley Gardner

The Case of the Grinning Gorilla: Audiobook

Book 40 of the Perry Mason series

According to The Books Insider's catalog data, The Case of the Grinning Gorilla runs 6.3 hours as an unabridged audiobook, narrated by Alexander Cendese (about 4.2 hours at 1.5× playback speed).

6.3listening hrs
Legal & Politicalstore shelf
2017released
Free for new listeners

The instrument When will you finish it?

Based on 6.3 hours of listening.

Days to finish The Case of the Grinning Gorilla at common listening paces
Your paceYou'll finish in
30 min / day13 days
1 hour / day7 days
2 hours / day4 days
1 hour / day at 1.5×5 days

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

What our data says

  • At 6.3 hours, it is shorter than 86% of the 2,576 Legal & Political audiobooks in our catalog.

About as long, on the Legal & Political shelf

186 Legal & Political audiobooks in our catalog run within 10% of this length. The most popular on the store:

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

The Case of the Grinning Gorilla is book 40 of Erle Stanley Gardner's Perry Mason series: a 6.3-hour unabridged recording, read by Alexander Cendese, released May 23, 2017, on the Legal & Political shelf.

The listen at a glance

Length
6.3 hrs
Narrated by
Alexander Cendese
Released
May 23, 2017
Format
Unabridged audiobook
Language
English
Store shelves
Legal & Political
Series
Perry Mason #40
ISBN
9781531828035

How to listen to The Case of the Grinning Gorilla free

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Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.

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Questions listeners ask

How long is The Case of the Grinning Gorilla as an audiobook?

The Case of the Grinning Gorilla runs 6.3 hours unabridged. At 1.5× speed that drops to roughly 4.2 hours.

Is The Case of the Grinning Gorilla free as an audiobook?

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

Who narrates The Case of the Grinning Gorilla?

The Case of the Grinning Gorilla is narrated by Alexander Cendese.