Gary Blackwood

Mysterious Messages: A History of Codes and Ciphers

2009

Sherlock Holmes Mystery Magazine #32

2024

Bucket's List

2017

Year of the Hangman

2002

Curiosity

2014

Shakespeare's Scribe

2000

Noah Count and the Arkansas Ark (Unabridged)

2024

Sherlock Holmes Mystery Magazine #32

2024

Mysterious Messages: A History of Codes and Ciphers: A History of Codes and Ciphers (Unabridged)

2019

Second Sight (Unabridged)

2018