The Books Insiderindependent audiobook data
The Sphinx by Bob Mayer

The Sphinx: Audiobook

Book 4 of the Area 51 series

According to The Books Insider's catalog data, The Sphinx runs 9.6 hours as an unabridged audiobook, narrated by Eric G. Dove (about 6.4 hours at 1.5× playback speed).

9.6listening hrs
Science Fictionstore shelf
2013released
Free for new listeners

The instrument When will you finish it?

Based on 9.6 hours of listening.

Days to finish The Sphinx at common listening paces
Your paceYou'll finish in
30 min / day20 days
1 hour / day10 days
2 hours / day5 days
1 hour / day at 1.5×7 days

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

What our data says

  • At 9.6 hours, it runs longer than 57% of the 13,269 Science Fiction audiobooks in our catalog.

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 Sphinx is book 4 of Bob Mayer's Area 51 series: a 9.6-hour unabridged recording, read by Eric G. Dove, released January 8, 2013, on the Action & Adventure (Fiction) and Science Fiction shelves.

The listen at a glance

Length
9.6 hrs
Narrated by
Eric G. Dove
Released
January 8, 2013
Format
Unabridged audiobook
Language
English
Store shelves
Action & Adventure (Fiction), Science Fiction
Series
Area 51 #4
ISBN
9781469252940

How to listen to The Sphinx free

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Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.

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Questions listeners ask

How long is The Sphinx as an audiobook?

The Sphinx runs 9.6 hours unabridged. At 1.5× speed that drops to roughly 6.4 hours.

Is The Sphinx free as an audiobook?

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

Who narrates The Sphinx?

The Sphinx is narrated by Eric G. Dove.