The Secret of Heaven by Felix Alexander
A lost Bible dating back to the time of Christ, and written by one of his disciples, is at the center of the murder of disgraced investment banker, Lazzaro de Medici. Wanted for questioning in connection to the murder, Professor of Biblical Studies, Aiden Leonardo races against the clock to find the lost Bible, while flying from the F.B.I., the Chicago PD, and a secret organization intent on destroying the ancient relic and tying up loose ends.
With only an encrypted letter and the help of his fiance, Miriam, and their close friend Nagi, Aiden utilizes his extensive knowledge of scripture to unravel the clues and find the secret of heaven, lest it be lost to forever.