Barna Imre Book order (chronological)

The year is 1327. Franciscans in a wealthy Italian abbey are suspected of heresy, and Brother William of Baskerville arrives to investigate. His delicate mission is suddenly overshadowed by seven bizarre deaths that take place in seven days and nights of apocalyptic terror. The body of one monk is found in a cask of pigs' blood, another is floating in a bathhouse, still another is crushed at the foot of a cliff.

"The Prague Cemetary" is the story of a secret agent who weaves plots, conspiracies, intrigues, and attacks, and helps determine the historical and political fate of the Continent.

Three book editors, jaded by reading far too many crackpot manuscripts on the mystic and the occult, are inspired by an extraordinary conspiracy story told to them by a strange colonel to have some fun. They start feeding random bits of information into a powerful computer capable of inventing connections between the entries, thinking they are creating nothing more than an amusing game, but then their game starts to take over, the deaths start mounting, and they are forced into a frantic search for the truth