The Books Insiderindependent audiobook data
21% Monster by P.J. Canning

21% Monster: Audiobook

Book 1 of the 21% Monster series

According to The Books Insider's catalog data, the 21% Monster audiobook runs 6.2 hours unabridged, narrated by Sam Devereaux (about 4.1 hours at 1.5× playback speed).

6.2listening hrs
Mystery & Fantasystore shelf
2024released
Free for new listeners

The instrument When will you finish it?

Based on 6.2 hours of listening.

Days to finish 21% Monster 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 6.2 hours, it runs longer than 61% of the 7,923 Mystery & Fantasy audiobooks in our catalog.

Catching up on 21% Monster

This is book 1. Books 1 to 3 run 21.8 hours in all.

About as long, on the Mystery & Fantasy shelf

983 Mystery & Fantasy 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

21% Monster is book 1 of P.J. Canning's 21% Monster series: a 6.2-hour unabridged recording, read by Sam Devereaux, released October 24, 2024, on the Mystery & Fantasy shelf.

The listen at a glance

Length
6.2 hrs
Narrated by
Sam Devereaux
Released
October 24, 2024
Format
Unabridged audiobook
Language
English
Store shelves
Mystery & Fantasy
Series
21% Monster #1
ISBN
9781004176540

How to listen to 21% Monster 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.

Start listening free

Questions listeners ask

How long is the 21% Monster audiobook?

21% Monster runs 6.2 hours unabridged. At 1.5× speed that drops to roughly 4.1 hours.

Is the 21% Monster audiobook free?

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

Who narrates 21% Monster?

21% Monster is narrated by Sam Devereaux.