About

Laurence O’Bryan is an Irish novelist, publisher, and digital marketing expert best known for his series of mystery and historical thrillers. Born in Dublin, he worked in IT and sales for over 25 years before finding success as an author with his debut novel, The Istanbul Puzzle, which won the Outstanding Novel award at the Southern California Writer’s Conference in 2007.

Literary Career
O'Bryan has written several popular book series, often compared to the works of Dan Brown for their blend of historical intrigue and fast-paced suspense:

The Puzzle Series: His most famous series featuring Sean Ryan and Isabel Sharp. Titles include The Istanbul Puzzle, The Jerusalem Puzzle, The Manhattan Puzzle, The Nuremberg Puzzle, and The Cairo Puzzle.

A Dangerous Emperor Series: Historical fiction following the life of Constantine the Great, starting with The Sign of The Blood.
Conspiracy Series: Modern thrillers including The Conspiracy I, II, and III.
The Rise of Synne: A newer series set in the aftermath of the Battle of Hastings.

Other Works