The Calderan Problem: Audiobook
Book 4 of the Free-Wrench series
According to The Books Insider's catalog data, The Calderan Problem runs 9.2 hours as an unabridged audiobook, narrated by Andrea Bates (about 6.2 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 9.2 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 19 days |
| 1 hour / day | 10 days |
| 2 hours / day | 5 days |
| 1 hour / day at 1.5× | 7 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 9.2 hours, it runs longer than 54% of the 13,269 Science Fiction audiobooks in our catalog.
More narrated by Andrea Bates
Andrea Bates narrates 48 unabridged audiobooks in our catalog, 397 hours in all.
About as long, on the Science Fiction shelf
2,067 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 Calderan Problem is book 4 of Joseph R. Lallo's Free-Wrench series: a 9.2-hour unabridged recording, read by Andrea Bates, released March 29, 2019, on the Science Fiction shelf.
The listen at a glance
- Length
- 9.2 hrs
- Narrated by
- Andrea Bates
- Released
- March 29, 2019
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Science Fiction
- Series
- Free-Wrench #4
- ISBN
- 9781641921138
How to listen to The Calderan Problem 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 Calderan Problem as an audiobook?
The Calderan Problem runs 9.2 hours unabridged. At 1.5× speed that drops to roughly 6.2 hours.
Is The Calderan Problem free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Calderan Problem?
The Calderan Problem is narrated by Andrea Bates.