Guarded by the Soldier by Laura Scott

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After months of searching, security expert Ryker Tillman finally finds Olivia Habush and her young son--just as they're attacked by armed mercenaries. Now safeguarding Olivia, her unborn child and the little Aaron is the former special ops soldier's new mission. But to save the family burrowing into his heart, Ryker must figure out why someone wants them dead. 

 

Undercover Bodyguard by Shirlee McCoy

A stalker is after bakery owner Shelby Simons and she needs a bodyguard. But for Shelby, former SEAL Ryder Malone is too big, too toubh and way too attractive. Ryder is determined to work undercover to protect Shelby and her attacker. And as the two get closer to answers--and to each other--the killer starts closing in...