Unlikely Avenger by Lisa Cullen

ALINA I hid my secret for as long as I could, but now my belly is showing, and I’m forced to tell Mishka the truth. Nothing hurts more than knowing I’m pregnant with the man who wants my father dead… So I keep Mishka’s secret… until it threatens to destroy me. MISHKA I only ever wanted one thing - to avenge my brother’s death. But when I inadvertently put Alina in danger, I know I wouldn’t be able to forgive myself if something happened to her. Especially knowing she’s carrying my child… UNLIKELY AVENGER is a full-length novel with a satisfying happy ending. It is Book Two of the Sinister Alliances Duet. Mishka and Alina’s story begins in Book One, UNLIKELY PROTECTOR.