Spymaster Collection

George Washington, America's first spymaster, considered the accumulation of secret intelligence one of the most important weapons in winning the w...

The Culper Spy Ring Code Book was created and used by the Culper spy ring to compose and send coded messages to George Washington's headquarters du...

In the Revolutionary War, Washington and his agents sent and received messages written in an 18th century form of invisible ink known as "sympathet...

By Thomas B. Allen. ISBN 978-1-4263-0041-7. Copyright 2004. Softcover with 182 pages.   Young readers and adults will discover how the Americans ou...

George Washington, America's first spymaster, considered the accumulation of secret intelligence as one of the most important weapons in winning th...

George Washington, America's first spymaster, considered the accumulation of secret intelligence one of his most important weapons on the battlefie...

By Alexander Rose. ISBN 978-0-553-39259-3. Copyright 2006. Softcover with 369 pages including notes, bibliography, and index.   In the summer of 17...

You can hide a secret message inside this hollow coin! Using the tip of a paper clip as a key, open up the coin and place a small (1" x 1") piece o...

By Elvira Woodruff. ISBN 978-0-545-10487-6.   Copyright 2010. Hardcover with 229 pages including notes, glossary, and bibliography.     Ten-year-ol...

Steven K. Smith. The Virginia Mysteries, Book 7. ISBN 978-1-947881-04-Softcover 204 pages. Copyright 2018. Dead drops, cyphers, and invisible ink a...