The Books Insiderindependent audiobook data
Celtic Twilight by Steven Henry

Celtic Twilight: Audiobook

Book 25 of the Erin O'Reilly Mysteries series

According to The Books Insider's catalog data, the Celtic Twilight audiobook runs 7.8 hours unabridged, narrated by Kristi Alsip (about 5.2 hours at 1.5× playback speed).

7.8listening hrs
Police & Detectivestore shelf
2026released
Free for new listeners

The instrument When will you finish it?

Based on 7.8 hours of listening.

Days to finish Celtic Twilight at common listening paces
Your paceYou'll finish in
30 min / day16 days
1 hour / day8 days
2 hours / day4 days
1 hour / day at 1.5×6 days

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

What our data says

  • At 7.8 hours, it is shorter than 61% of the 22,296 Police & Detective audiobooks in our catalog.

Catching up on The Erin O'Reilly Mysteries

This is book 25. Books 1 to 24 run 154.6 hours before it; books 1 to 25 run 162.4 hours in all.

About as long, on the Police & Detective shelf

5,014 Police & Detective 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

Celtic Twilight is book 25 of Steven Henry's Erin O'Reilly Mysteries series: a 7.8-hour unabridged recording, read by Kristi Alsip, released February 28, 2026, on the Police & Detective shelf.

The listen at a glance

Length
7.8 hrs
Narrated by
Kristi Alsip
Released
February 28, 2026
Format
Unabridged audiobook
Language
English
Store shelves
Police & Detective
Series
The Erin O'Reilly Mysteries #25
ISBN
9798240057540

How to listen to Celtic Twilight 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 Celtic Twilight audiobook?

Celtic Twilight runs 7.8 hours unabridged. At 1.5× speed that drops to roughly 5.2 hours.

Is the Celtic Twilight audiobook free?

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

Who narrates Celtic Twilight?

Celtic Twilight is narrated by Kristi Alsip.