Military Writer's Society of America
"Dennis Koller's mystery-thriller debut is a strong one. The novel has it all: intrigue, politics, murder and romance. Combined with characters and dialogue that are ultimately believable, The Oath is a real page-turner."
The Irish Herald Book Review
** WINNER - INDEPENDENT PRESS AWARD FOR MILITARY FICTION.
** WINNER - 2016 BAIPA BOOK AWARD FOR BEST FICTION.