Books like Ulterior motives by Mark Andrew Olsen

Tom Clancy’s thriller *Rainbow Six* follows ex‑Navy SEAL John Clark as he faces an unprecedented terrorist threat that could end life as we know it.

Jason Bourne, the man who knows nothing, finds himself in a nightmare version of himself, a killer who could be anyone.

Covert operatives unravel a secret committee’s deadly plan when a leaked video forces counterterrorism agent Scot Harvath into a globe‑spanning mission of personal and political stakes.

Detective John Corey uncovers a deadly plot tied to the elite Custer Hill Club. With his FBI agent wife Kate, he races to stop a secret nuclear‑terrorism plan known as "Wild Fire" before it is unleashed.

Beloved and bestselling author Suzanne Brockmann writes terrific edge-of-your-seat novels of romantic suspense set in the world's exciting danger zones and exotic hotspots. Now, in her new sensational novel, she comes stateside for her most action-packed adventure yet.It was supposed to be a "dog and pony show"--an elaborate demonstration of SEAL rescue techniques--to celebrate a presidential visit to a California naval base. Professional, no-nonsense White House staffer Joan DaCosta arrives early to scope out the area. Assigned to be her SEAL liaison is Lt. (jg) Mike Muldoon, a born leader--strong, decisive, tough, and fearless.Against her better judgment, Joan finds herself drawn to the handsome young officer. Skilled at being "one of the guys" in the mostly male world of politics, she is dismayed when Muldoon breaks through her defenses. While the tension mounts between them, fueling their growing attraction, a far more sinister danger is lurking, as terrorists plot a daring attack against the president. To protect their commander in chief, Joan and Muldoon must not only risk their hearts--but their very lives. . . .From the Hardcover edition.

Enemy Mine, a Hugo Award‑winning novella by Kay Hooper, blends romance with suspenseful action in a science‑fiction setting.