Secured by the SEAL by Carol Ericson

Revenge is personal for one Navy SEAL

Britt Jansen needs to find her sister and Alexei Ivanov wants vengeance; they are deep undercover in a Russian mob and teaming up yields more than either of them expected - the truth and an attraction that could rip them apart.

Ranger Defender by Angi Morgan
She needed a miracle.
She got a Texas Ranger.

Vivian Watts's mission to prove her brother's innocence has left her destitute and desperate. So when Slate Thompson arrives with his knock-me-out blue eyes and belief in her case, she dares to hope again...