The Books Insiderindependent audiobook data
The Lion Men of Mongo by Con Steffanson, Alex Raymond

The Lion Men of Mongo: Audiobook

Book 1 of the Flash Gordon series

According to The Books Insider's catalog data, The Lion Men of Mongo runs 3.6 hours as an unabridged audiobook, narrated by Johnny Heller (about 2.4 hours at 1.5× playback speed).

3.6listening hrs
Science Fictionstore shelf
2019released
Free for new listeners

The instrument When will you finish it?

Based on 3.6 hours of listening.

Days to finish The Lion Men of Mongo at common listening paces
Your paceYou'll finish in
30 min / day8 days
1 hour / day4 days
2 hours / day2 days
1 hour / day at 1.5×3 days

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

What our data says

  • At 3.6 hours, it is shorter than 82% of the 13,269 Science Fiction audiobooks in our catalog.

About as long, on the Science Fiction shelf

332 Science Fiction 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 Lion Men of Mongo is book 1 of Con Steffanson's Flash Gordon series: a 3.6-hour unabridged recording, read by Johnny Heller, released September 17, 2019, on the Science Fiction shelf.

The listen at a glance

Length
3.6 hrs
Narrated by
Johnny Heller
Released
September 17, 2019
Format
Unabridged audiobook
Language
English
Store shelves
Science Fiction
Series
Flash Gordon #1
ISBN
9781645550877

How to listen to The Lion Men of Mongo free

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Questions listeners ask

How long is The Lion Men of Mongo as an audiobook?

The Lion Men of Mongo runs 3.6 hours unabridged. At 1.5× speed that drops to roughly 2.4 hours.

Is The Lion Men of Mongo free as an audiobook?

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

Who narrates The Lion Men of Mongo?

The Lion Men of Mongo is narrated by Johnny Heller.