The Riddle of the Sphinx: Audiobook
Book 5 of the Kwan Thillers series
According to The Books Insider's catalog data, The Riddle of the Sphinx runs 9.3 hours as an unabridged audiobook, narrated by Melanie Hastings (about 6.2 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 9.3 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 9.3 hours, it is shorter than 54% of the 5,647 Sci-Fi, Fantasy & Paranormal audiobooks in our catalog.
Catching up on Kwan Thillers
This is book 5. Books 1 to 4 run 32.7 hours before it; books 1 to 5 run 42 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | The Secret of Giza | 10 hrs |
| 2 | Abducted | 6.9 hrs |
| 3 | Mars Enigma | 7.5 hrs |
| 4 | Majestic | 8.3 hrs |
| 5 | The Riddle of the Sphinx | 9.3 hrs |
More narrated by Melanie Hastings
Melanie Hastings narrates 20 unabridged audiobooks in our catalog, 185 hours in all.
About as long, on the Sci-Fi, Fantasy & Paranormal shelf
1,155 Sci-Fi, Fantasy & Paranormal 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 Riddle of the Sphinx is book 5 of Ken Warner's Kwan Thillers series: a 9.3-hour unabridged recording, read by Melanie Hastings, released October 5, 2026, on the Sci-Fi, Fantasy & Paranormal and Mystery & Thriller shelves.
The listen at a glance
- Length
- 9.3 hrs
- Narrated by
- Melanie Hastings
- Released
- October 5, 2026
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Sci-Fi, Fantasy & Paranormal, Mystery & Thriller
- Series
- Kwan Thillers #5
- ISBN
- 9798318560965
How to listen to The Riddle of the Sphinx 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 Riddle of the Sphinx as an audiobook?
The Riddle of the Sphinx runs 9.3 hours unabridged. At 1.5× speed that drops to roughly 6.2 hours.
Is The Riddle of the Sphinx free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Riddle of the Sphinx?
The Riddle of the Sphinx is narrated by Melanie Hastings.