The Books Insiderindependent audiobook data
A Princess of Mars: Shadow of the Assassins by Ann Tonsor Zeddies, Geary Gravel

A Princess of Mars: Shadow of the Assassins: Audiobook

Book 1 of the Edgar Rice Burroughs Universe series

According to The Books Insider's catalog data, A Princess of Mars: Shadow of the Assassins runs 10.3 hours as an unabridged audiobook, narrated by John McLain (about 6.9 hours at 1.5× playback speed).

10.3listening hrs
Classics (Literature)store shelf
2024released
Free for new listeners

The instrument When will you finish it?

Based on 10.3 hours of listening.

Days to finish A Princess of Mars: Shadow of the Assassins at common listening paces
Your paceYou'll finish in
30 min / day21 days
1 hour / day11 days
2 hours / day6 days
1 hour / day at 1.5×7 days

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

What our data says

  • At 10.3 hours, it runs longer than 77% of the 6,931 Classics (Literature) audiobooks in our catalog.

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

A Princess of Mars: Shadow of the Assassins is book 1 of Ann Tonsor Zeddies's Edgar Rice Burroughs Universe series: a 10.3-hour unabridged recording, read by John McLain, released December 31, 2024, on the Classics (Literature) and Action & Adventure (Fiction) shelves.

The listen at a glance

Length
10.3 hrs
Narrated by
John McLain
Released
December 31, 2024
Format
Unabridged audiobook
Language
English
Store shelves
Classics (Literature), Action & Adventure (Fiction)
Series
Edgar Rice Burroughs Universe #1
ISBN
9798895640159

How to listen to A Princess of Mars: Shadow of the Assassins free

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Questions listeners ask

How long is A Princess of Mars: Shadow of the Assassins as an audiobook?

A Princess of Mars: Shadow of the Assassins runs 10.3 hours unabridged. At 1.5× speed that drops to roughly 6.9 hours.

Is A Princess of Mars: Shadow of the Assassins free as an audiobook?

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

Who narrates A Princess of Mars: Shadow of the Assassins?

A Princess of Mars: Shadow of the Assassins is narrated by John McLain.

Is A Princess of Mars: Shadow of the Assassins worth listening to at 1.5× speed?

At 1.5× you'd finish in about 6.9 hours, saving 3.4 hours.