The Secret Adversary: A daring postwar mystery of secret treaties, phantom masterminds, and amateur sleuths thrust into the heart of a deadly conspiracy.: Audiobook
According to The Books Insider's catalog data, The Secret Adversary: A daring postwar mystery of secret treaties, phantom masterminds, and amateur sleuths thrust into the heart of a deadly conspiracy. runs 8 hours as an unabridged audiobook, narrated by Yvonne Schaefer (about 5.3 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 8 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 16 days |
| 1 hour / day | 8 days |
| 2 hours / day | 4 days |
| 1 hour / day at 1.5× | 6 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 8 hours, it is shorter than 59% of the 22,296 Police & Detective audiobooks in our catalog.
More narrated by Yvonne Schaefer
Yvonne Schaefer narrates 10 unabridged audiobooks in our catalog, 78 hours in all.
- A Honeymoon in Space: A daring celestial voyage of romance, scientific marvels, and forgotten lunar worlds.
- The gods of Mars: A breathless return to the dying red planet, where a Virginian swordsman battles ancient gods for the love of a Martian princess.
- Mr. Standfast: A Gripping Tale of WWI Espionage, Double Agents, and the Ultimate Undercover Mission
- The Riddle of the Sands: A Classic Tale of Nautical Espionage and Treacherous Waters
- The Thirty-Nine Steps: A dead man in his apartment. A nationwide manhunt. A conspiracy that could ignite a world war.
About as long, on the Police & Detective shelf
5,123 Police & Detective audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Left To Die (An Adele Sharp Mystery—Book One)
- Open Season
- The 18th Abduction
- The People vs. Alex Cross
- Mary, Mary
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 Secret Adversary: A daring postwar mystery of secret treaties, phantom masterminds, and amateur sleuths thrust into the heart of a deadly conspiracy. is an audiobook by Yvonne Schaefer: a 8-hour unabridged recording, read by Yvonne Schaefer, released March 23, 2026, on the Police & Detective shelf.
The listen at a glance
- Length
- 8 hrs
- Narrated by
- Yvonne Schaefer
- Released
- March 23, 2026
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Police & Detective
- ISBN
- 9798240094880
How to listen to The Secret Adversary: A daring postwar mystery of secret treaties, phantom masterminds, and amateur sleuths thrust into the heart of a deadly conspiracy. 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 Secret Adversary: A daring postwar mystery of secret treaties, phantom masterminds, and amateur sleuths thrust into the heart of a deadly conspiracy. as an audiobook?
The Secret Adversary: A daring postwar mystery of secret treaties, phantom masterminds, and amateur sleuths thrust into the heart of a deadly conspiracy. runs 8 hours unabridged. At 1.5× speed that drops to roughly 5.3 hours.
Is The Secret Adversary: A daring postwar mystery of secret treaties, phantom masterminds, and amateur sleuths thrust into the heart of a deadly conspiracy. free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Secret Adversary: A daring postwar mystery of secret treaties, phantom masterminds, and amateur sleuths thrust into the heart of a deadly conspiracy.?
The Secret Adversary: A daring postwar mystery of secret treaties, phantom masterminds, and amateur sleuths thrust into the heart of a deadly conspiracy. is narrated by Yvonne Schaefer.