The Duality Principle: The Portland Rebels, Book 1: Audiobook
Book 1 of the Portland Rebels series
According to The Books Insider's catalog data, The Duality Principle: The Portland Rebels, Book 1 runs 4.2 hours as an unabridged audiobook, narrated by Melissa Barr and Rock Engle (about 2.8 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 4.2 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 9 days |
| 1 hour / day | 5 days |
| 2 hours / day | 3 days |
| 1 hour / day at 1.5× | 3 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 4.2 hours, it runs longer than 72% of the 6,276 Erotica audiobooks in our catalog.
Catching up on The Portland Rebels
This is book 1. Books 1 to 3 run 15 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | The Duality Principle: The Portland Rebels, Book 1 | 4.2 hrs |
| 2 | The Hierarchy of Needs: The Portland Rebels, Book 2 | 5.2 hrs |
| 3 | The Theory of Deviance: The Portland Rebels, Book 3 | 5.5 hrs |
More narrated by Melissa Barr
Melissa Barr narrates 44 unabridged audiobooks in our catalog, 325 hours in all.
About as long, on the Erotica shelf
258 Erotica audiobooks in our catalog run within 10% of this length. The most popular on the store:
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- His Sub: A steamy, curvy single mother, second chance romantic comedy
- The Life and Amours of the Beautiful, Gay and Dashing Kate Percival, the Belle of the Delaware
- Erotica Stories for Pleasure
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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 Duality Principle: The Portland Rebels, Book 1 is book 1 of Rebecca Grace Allen's Portland Rebels series: a 4.2-hour unabridged recording, read by Melissa Barr and Rock Engle, released December 13, 2019, on the Erotica shelf.
The listen at a glance
- Length
- 4.2 hrs
- Narrated by
- Melissa Barr, Rock Engle
- Released
- December 13, 2019
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Erotica
- Series
- The Portland Rebels #1
- ISBN
- 9781624616976
How to listen to The Duality Principle: The Portland Rebels, Book 1 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 freeQuestions listeners ask
How long is The Duality Principle: The Portland Rebels, Book 1 as an audiobook?
The Duality Principle: The Portland Rebels, Book 1 runs 4.2 hours unabridged. At 1.5× speed that drops to roughly 2.8 hours.
Is The Duality Principle: The Portland Rebels, Book 1 free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Duality Principle: The Portland Rebels, Book 1?
The Duality Principle: The Portland Rebels, Book 1 is narrated by Melissa Barr and Rock Engle.