Unfinished Business — Remington Kane

When they learn that the man named Brick has resurfaced in California, Tanner and Mr. White go in pursuit of the huge menace.
In response, Brick sends a deadly crew of killers to stop Tanner and White, even as a third party seeks their deaths.
Along the way, Mr. White and Tanner receive assistance from a mysterious man named Stark. However, Stark has his own agenda, and it remains to be seen if he'll prove to be a friend, or a deadly new foe.

From REMINGTON KANE, the author of The TAKEN! Series & The TANNER Series
UNFINISHED BUSINESS - A TAKEN!/TANNER Novel - Book 2