The Soldier's Sweetheart by Deb Kastner

Settling in Serendipity, Texas, with his young daughter, army vet Will Davenport hopes to find peace. But when the widower goes to work for Samantha Howell, he gets much, much more. Will wants to be her hero, but too much stands in their way. For a future with Samantha, he has to bury the past. But forgiving himself may be his most difficult mission ever.

The Soldier's Surprise Family by Jolene Navarro

Texas state trooper Garrett Kincaid is a lone wolf—until he becomes an instant father. The former soldier never knew he had a son, or that his little boy has a baby sister with nowhere to go. His landlady, widow Anjelica Ortega-Garza, offers to help, and suddenly Garrett's life is all about nap schedules and baby bottles. But falling for Anjelica isn't part of the plan!