The testament - Eric Lustbader

Bravo Shaw always knew his father had secrets, he just didn't realise how dangerous they were...

When Bravo's father dies in mysterious circumstances, his hidden life is laid bare. Dexter Shaw belonged to a secret religious order long thought extinct. For centuries, this order has guarded a lost Testament that could end Christianity as we know it. Dexter was the Keeper of the Testament - now his son must take his place.

Bravo has to solve the clues his father left behind, locate this precious document and ward off those who want it destroyed. But his enemies are powerful, and will stop at nothing to keep their secrets buried...