I’m thinking Shan Serafin was the principal author of these 3 fast novellas. The style really doesn’t feel like Patterson.

Very good.

DEAD MAN RUNNING: Psychiatrist Randall Beck specializes in PTSD cases–and his time is limited. Especially when he uncovers a plot to kill a presidential candidate.

113 MINUTES: Molly Rourke’s son has been murdered–and she knows who’s responsible. Now she’s taking the law into her own hands. Never underestimate a mother’s love.

13-MINUTE MURDER: He can kill anybody in just minutes–from the first approach to the clean escape. His skills have served him well, and he has a grand plan: to get out alive and spend his earnings with his beloved wife, Maria.
An anonymous client offers Ryan a rich payout to assassinate a target in Harvard Yard. It’s exactly the last big job he needs to complete his plan.

Amazon