Codes, Ciphers and Secret Writing
Martin Gardner
Dover Children's Activity Books (1)
A Brief History of Ancient Astrology
Roger Beck
Duelling Idiots and Other Probability Puzzlers
Paul J. Nahin
Princeton Puzzlers (1)
The Oxford Handbook of Rationality
Alfred R. Mele & Piers Rawling
Medieval Italy: An Encyclopedia
Christopher Kleinhenz
Vespasian: Das Schwert des Tribuns
Robert Fabbri
Die Vespasian-Reihe (1)