The Books Insiderindependent audiobook data
Enigma: Isaac's story by Shandi Boyes

Enigma: Isaac's story: Audiobook

According to The Books Insider's catalog data, the Enigma: Isaac's story audiobook runs 9.8 hours unabridged, narrated by Molly Briar and Ryan Stone (about 6.5 hours at 1.5× playback speed).

9.8listening hrs
Modernstore shelf
2025released
Free for new listeners

The instrument When will you finish it?

Based on 9.8 hours of listening.

Days to finish Enigma: Isaac's story at common listening paces
Your paceYou'll finish in
30 min / day20 days
1 hour / day10 days
2 hours / day5 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 9.8 hours, it runs longer than 72% of the 16,241 Modern audiobooks in our catalog.

About as long, on the Modern shelf

3,401 Modern 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: Isaac's story is an audiobook by Shandi Boyes: a 9.8-hour unabridged recording, read by Molly Briar and Ryan Stone, released July 28, 2025, on the Modern and Billionaire shelves.

The listen at a glance

Length
9.8 hrs
Narrated by
Molly Briar, Ryan Stone
Released
July 28, 2025
Format
Unabridged audiobook
Language
English
Store shelves
Modern, Billionaire
ISBN
9798318372216

How to listen to Enigma: Isaac's story 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 Enigma: Isaac's story audiobook?

Enigma: Isaac's story runs 9.8 hours unabridged. At 1.5× speed that drops to roughly 6.5 hours.

Is the Enigma: Isaac's story audiobook free?

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

Who narrates Enigma: Isaac's story?

Enigma: Isaac's story is narrated by Molly Briar and Ryan Stone.