The Books Insiderindependent audiobook data
Immortal by Sue Lynn Tan

Immortal: Audiobook

Book 4 of the Celestial Kingdom series

According to The Books Insider's catalog data, the Immortal audiobook runs 14.4 hours unabridged, narrated by Natalie Naudus (about 9.6 hours at 1.5× playback speed).

14.4listening hrs
Romantasy (Romance)store shelf
2025released
Free for new listeners

The instrument When will you finish it?

Based on 14.4 hours of listening.

Days to finish Immortal at common listening paces
Your paceYou'll finish in
30 min / day29 days
1 hour / day15 days
2 hours / day8 days
1 hour / day at 1.5×10 days

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

What our data says

  • At 14.4 hours, it runs longer than 85% of the 7,781 Romantasy (Romance) audiobooks in our catalog.

Catching up on Celestial Kingdom

This is book 4. Books 1 to 3 run 33.4 hours before it; books 1 to 4 run 47.9 hours in all.

About as long, on the Romantasy (Romance) shelf

911 Romantasy (Romance) 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

Immortal is book 4 of Sue Lynn Tan's Celestial Kingdom series: a 14.4-hour unabridged recording, read by Natalie Naudus, released January 7, 2025, on the Romantasy (Romance) and BIPOC Stories & Voices shelves.

The listen at a glance

Length
14.4 hrs
Narrated by
Natalie Naudus
Released
January 7, 2025
Format
Unabridged audiobook
Language
English
Store shelves
Romantasy (Romance), BIPOC Stories & Voices, Epic Fantasy
Series
Celestial Kingdom #4
ISBN
9780063267640

How to listen to Immortal 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 Immortal audiobook?

Immortal runs 14.4 hours unabridged. At 1.5× speed that drops to roughly 9.6 hours.

Is the Immortal audiobook free?

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

Who narrates Immortal?

Immortal is narrated by Natalie Naudus.

Is Immortal worth listening to at 1.5× speed?

At 1.5× you'd finish in about 9.6 hours, saving 4.8 hours.