The Books Insiderindependent audiobook data
ENIGMA: The Belt: Book Four by Gerald M. Kilby

ENIGMA: The Belt: Book Four: Audiobook

Book 4 of the Belt series

According to The Books Insider's catalog data, the ENIGMA: The Belt: Book Four audiobook runs 6.1 hours unabridged, narrated by Steven Jay Cohen (about 4 hours at 1.5× playback speed).

6.1listening hrs
Science Fictionstore shelf
2021released
Free for new listeners

The instrument When will you finish it?

Based on 6.1 hours of listening.

Days to finish ENIGMA: The Belt: Book Four 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 6.1 hours, it is shorter than 70% of the 13,269 Science Fiction audiobooks in our catalog.

Catching up on The Belt

This is book 4. Books 1 to 3 run 18 hours before it; books 1 to 6 run 35.6 hours in all.

About as long, on the Science Fiction shelf

1,005 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

ENIGMA: The Belt: Book Four is book 4 of Gerald M. Kilby's Belt series: a 6.1-hour unabridged recording, read by Steven Jay Cohen, released February 11, 2021, on the Science Fiction and Space Opera shelves.

The listen at a glance

Length
6.1 hrs
Narrated by
Steven Jay Cohen
Released
February 11, 2021
Format
Unabridged audiobook
Language
English
Store shelves
Science Fiction, Space Opera
Series
The Belt #4
ISBN
9798368995632

How to listen to ENIGMA: The Belt: Book Four free

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Questions listeners ask

How long is the ENIGMA: The Belt: Book Four audiobook?

ENIGMA: The Belt: Book Four runs 6.1 hours unabridged. At 1.5× speed that drops to roughly 4 hours.

Is the ENIGMA: The Belt: Book Four audiobook free?

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

Who narrates ENIGMA: The Belt: Book Four?

ENIGMA: The Belt: Book Four is narrated by Steven Jay Cohen.