The Books Insiderindependent audiobook data
The Grave in the Dunes by Alex Wagner

The Grave in the Dunes: Audiobook

Book 6 of the Case for the Master Sleuths series

According to The Books Insider's catalog data, The Grave in the Dunes runs 5.3 hours as an unabridged audiobook, narrated by Rudy Sanda (about 3.5 hours at 1.5× playback speed).

5.3listening hrs
Police & Detectivestore shelf
2025released
Free for new listeners

The instrument When will you finish it?

Based on 5.3 hours of listening.

Days to finish The Grave in the Dunes at common listening paces
Your paceYou'll finish in
30 min / day11 days
1 hour / day6 days
2 hours / day3 days
1 hour / day at 1.5×4 days

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

What our data says

  • At 5.3 hours, it is shorter than 87% of the 22,296 Police & Detective audiobooks in our catalog.

Catching up on Case for the Master Sleuths

This is book 6. Books 1 to 5 run 27.4 hours before it; books 1 to 8 run 43.1 hours in all.

About as long, on the Police & Detective shelf

1,418 Police & Detective 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 Grave in the Dunes is book 6 of Alex Wagner's Case for the Master Sleuths series: a 5.3-hour unabridged recording, read by Rudy Sanda, released April 8, 2025, on the Police & Detective and Cozy Mystery shelves.

The listen at a glance

Length
5.3 hrs
Narrated by
Rudy Sanda
Released
April 8, 2025
Format
Unabridged audiobook
Language
English
Store shelves
Police & Detective, Cozy Mystery
Series
Case for the Master Sleuths #6
ISBN
9798855561746

How to listen to The Grave in the Dunes free

New members at audiobooks.com get three free audiobooks with the trial.

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 Grave in the Dunes as an audiobook?

The Grave in the Dunes runs 5.3 hours unabridged. At 1.5× speed that drops to roughly 3.5 hours.

Is The Grave in the Dunes free as an audiobook?

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

Who narrates The Grave in the Dunes?

The Grave in the Dunes is narrated by Rudy Sanda.