Act of War is a 2014 USA Today and New York Times bestselling thriller spy novel by American author Brad Thor and the thirteenth book in the Scot Harvath series. It was preceded by Hidden Order and was followed by Code of Conduct. Wikipedia
Originally published: July 2014
Author: Brad Thor
Genre: Spy fiction
Preceded by: Hidden Order, Epilogue II: A Bonus Chapter to Hidden Order, Black List
Followed by: Foreign Agent: A Thriller, Code of Conduct, Act of War