Ian Caldwell was Phi Beta Kappa in History at Princeton University. Dustin Thomason won the Hoopes Prize at Harvard University. The two have been best friends since they were eight years old. They began writing The Rule of Four after graduating in 1998.
Dubbed ‘The Davinci Code for people with brains’ by the Independent. The book centres on a 15th-Century manuscript and a bunch of American students and scholars bent on cracking its mysterious code and finding a hidden crypt. A definite winner