
Mysterious Messages: A History of Codes and Ciphers: Audiobook
According to The Books Insider's catalog data, the Mysterious Messages: A History of Codes and Ciphers audiobook runs 3.1 hours unabridged, narrated by George Guidall (about 2.1 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 3.1 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 7 days |
| 1 hour / day | 4 days |
| 2 hours / day | 2 days |
| 1 hour / day at 1.5× | 3 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 3.1 hours, it runs longer than 58% of the 14,091 Non-fiction (Kids) audiobooks in our catalog.
More narrated by George Guidall
George Guidall narrates 722 unabridged audiobooks in our catalog, 7,374 hours in all.
About as long, on the Non-fiction (Kids) shelf
767 Non-fiction (Kids) 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
Mysterious Messages: A History of Codes and Ciphers is an audiobook by Gary Blackwood: a 3.1-hour unabridged recording, read by George Guidall, released June 13, 2014, on the Non-fiction (Kids) shelf.
The listen at a glance
- Length
- 3.1 hrs
- Narrated by
- George Guidall
- Released
- June 13, 2014
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Non-fiction (Kids)
- ISBN
- 9781490639291
How to listen to Mysterious Messages: A History of Codes and Ciphers 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 Mysterious Messages: A History of Codes and Ciphers audiobook?
Mysterious Messages: A History of Codes and Ciphers runs 3.1 hours unabridged. At 1.5× speed that drops to roughly 2.1 hours.
Is the Mysterious Messages: A History of Codes and Ciphers audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Mysterious Messages: A History of Codes and Ciphers?
Mysterious Messages: A History of Codes and Ciphers is narrated by George Guidall.