Invaluable: Audiobook
Book 2 of the Trident Code series
According to The Books Insider's catalog data, the Invaluable audiobook runs 4 hours unabridged, narrated by Melissa Sternenberg and Cary Hite (about 2.7 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 4 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 8 days |
| 1 hour / day | 4 days |
| 2 hours / day | 2 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 hours, it is shorter than 88% of the 16,241 Modern audiobooks in our catalog.
Catching up on The Trident Code
This is book 2. Book 1 runs 6 hours before it; books 1 to 2 run 10.1 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Invincible | 6 hrs |
| 2 | Invaluable | 4 hrs |
More narrated by Melissa Sternenberg
Melissa Sternenberg narrates 5 unabridged audiobooks in our catalog, 33 hours in all.
About as long, on the Modern shelf
592 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
Invaluable is book 2 of Alana Albertson's Trident Code series: a 4-hour unabridged recording, read by Melissa Sternenberg and Cary Hite, released July 24, 2017, on the Modern and Mystery shelves.
The listen at a glance
- Length
- 4 hrs
- Narrated by
- Melissa Sternenberg, Cary Hite
- Released
- July 24, 2017
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Modern, Mystery
- Series
- The Trident Code #2
- ISBN
- 9798868660696
How to listen to Invaluable 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 Invaluable audiobook?
Invaluable runs 4 hours unabridged. At 1.5× speed that drops to roughly 2.7 hours.
Is the Invaluable audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Invaluable?
Invaluable is narrated by Melissa Sternenberg and Cary Hite.