The Books Insiderindependent audiobook data
Firstborn by Arthur C. Clarke, Stephen Baxter

Firstborn: Audiobook

Book 3 of the Time Odyssey series

According to The Books Insider's catalog data, the Firstborn audiobook runs 11.8 hours unabridged, narrated by John Lee (about 7.9 hours at 1.5× playback speed).

11.8listening hrs
Space Operastore shelf
2008released
Free for new listeners

The instrument When will you finish it?

Based on 11.8 hours of listening.

Days to finish Firstborn at common listening paces
Your paceYou'll finish in
30 min / day24 days
1 hour / day12 days
2 hours / day6 days
1 hour / day at 1.5×8 days

Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.

What our data says

  • At 11.8 hours, it runs longer than 68% of the 2,721 Space Opera audiobooks in our catalog.

Catching up on The Time Odyssey Series

This is book 3. Books 1 to 2 run 22.1 hours before it; books 1 to 3 run 33.9 hours in all.

BookTitleLength
1Time’s Eye11.6 hrs
2Sunstorm10.5 hrs
3Firstborn11.8 hrs

About as long, on the Space Opera shelf

481 Space Opera 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

Firstborn is book 3 of Arthur C. Clarke's Time Odyssey series: a 11.8-hour unabridged recording, read by John Lee, released July 1, 2008, on the Space Opera shelf.

The listen at a glance

Length
11.8 hrs
Narrated by
John Lee
Released
July 1, 2008
Format
Unabridged audiobook
Language
English
Store shelves
Space Opera
Series
The Time Odyssey Series #3
ISBN
9781483057590

How to listen to Firstborn 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 free

Questions listeners ask

How long is the Firstborn audiobook?

Firstborn runs 11.8 hours unabridged. At 1.5× speed that drops to roughly 7.9 hours.

Is the Firstborn audiobook free?

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

Who narrates Firstborn?

Firstborn is narrated by John Lee.

Is Firstborn worth listening to at 1.5× speed?

At 1.5× you'd finish in about 7.9 hours, saving 3.9 hours.