Cipher

1,421 books
Writing secret codes and sending hidden messagesGyles Brandreth
⏱ 2h 7m

Writing secret codes and sending hidden messages

Gyles Brandreth

1984127 pp.
Codes & ciphersChristina Ashton
⏱ 1h 50m

Codes & ciphers

Christina Ashton

1993110 pp.
All the Devils Are HereLouise Penny
⏱ 7h 28m

All the Devils Are Here

Louise Penny

2020448 pp.
I spyDiana Noonan
⏱ 24m

I spy

Diana Noonan

199324 pp.
CodemasterHamilton Nickels
⏱ 2h 16m

Codemaster

Hamilton Nickels

1990136 pp.
The Knights of NeustriaH. L. Dennis
⏱ 5h 52m

The Knights of Neustria

H. L. Dennis

2013352 pp.
The First Book of Codes and CiphersSam Epstein
⏱ 1h 2m

The First Book of Codes and Ciphers

Sam Epstein

195662 pp.
Crack the code!Irene Trimble
⏱ 32m

Crack the code!

Irene Trimble

199732 pp.
CryptologyRichard E. Klima
⏱ 8h 2m

Cryptology

Richard E. Klima

2012482 pp.
The Bridge to Never LandDave Barry
⏱ 7h 28m

The Bridge to Never Land

Dave Barry

2011448 pp.
Over 50 Secret CodesEmily Bone
⏱ 1h 52m

Over 50 Secret Codes

Emily Bone

2015112 pp.
The Six Unsolved CiphersRichard Belfield
⏱ 5h 12m

The Six Unsolved Ciphers

Richard Belfield

2007312 pp.
Cloak and cipherDan Tyler Moore
⏱ 4h 2m

Cloak and cipher

Dan Tyler Moore

1962242 pp.
Codes and ciphersAlexander D'Agapeyeff
⏱ 2h 35m

Codes and ciphers

Alexander D'Agapeyeff

1939155 pp.
The Adventure of the Dancing MenArthur Conan Doyle
⏱ 32m

The Adventure of the Dancing Men

Arthur Conan Doyle

199632 pp.
Lieber's standard telegraphic codeBenjamin Franklin Lieber
⏱ 13h 28m

Lieber's standard telegraphic code

Benjamin Franklin Lieber

1896808 pp.
The Black Book of Buried SecretsMallory Kass
⏱ 3h 4m

The Black Book of Buried Secrets

Mallory Kass

2010184 pp.
The knowhow book of spycraftFalcon Travis
⏱ 40m

The knowhow book of spycraft

Falcon Travis

197540 pp.
The case of the backyard treasureJoanne Rocklin
⏱ 53m

The case of the backyard treasure

Joanne Rocklin

199853 pp.
The great cryptogramIgnatius Donnelly
⏱ 16h 38m

The great cryptogram

Ignatius Donnelly

1887998 pp.
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