The Ranger (Harlequin Intrigue Series #1555)

A Texas Ranger must protect a single mom with a target on her back… 

Texas Ranger Mitch Striker's uncomplicated bachelor lifestyle suits him just fine: catch the bad guys and move on. But there's nothing straightforward about struggling single mom Brandie Ryland or her adorable four-year-old son, Toby. The beautiful redhead is the prime suspect in Mitch's undercover investigation. But when a hostage standoff leaves Brandie's family vulnerable and uncovers a roomful of contraband and drugs, Mitch second-guesses her involvement in the crime…and his ability to keep his emotional distance. With the danger growing and the clock ticking, Mitch must save Brandie, catch the perps and handle the daddy heartstrings Toby keeps tugging on. Then he'll have to face the secrets he's sure Brandie's keeping—before they become his undoing