![dek](https://content.time.com/time/photoessays/2009/top10_airport_books/last_templar.jpg)
Murder at a famous art museum. A secretive sect fighting an ancient war to reveal explosive secrets about Christianity. Sound familiar? Raymond Khoury's 2005 debut may seem a shameless knockoff of The Da Vinci Code, but its success proves that being the poor man's Dan Brown is enough to make Khoury a very rich man indeed.