Introduction
1. The World’s Most Famous Crossword
2. The Morse Masterminds
3. The Enigma Connections
4. Mind Your Secret Language
5. The Chessboard War
6. The Codes from the Mummy’s Tomb
7. Music, Maestros!
8. Highland Reels and Croquet Lawns
9. It All Adds Up
10. Codebreakers through the Looking-Glass
11. Good, Smart, Common Sense
Conclusion
Bibliography
Endnotes
Answers
Acknowledgments