Fall Back: Navy SEAL adventure romance (SEALs Undone #6)

When Navy SEAL Cade Duncan partners up with Mel Vincent for an endurance race, he doesn’t expect to tumble into a romantic fling in paradise—or to be so pissed with the beautiful woman when he finds out she’s been keeping secrets.

This book was first published in the Romancing the Alpha adventure romance boxed set.

The SEALs Undone Series
Fall Out - Drew and Annie
Fall Hard - Jared and Cassie
Fall Away - Trick and Gaby
Fall Deep - Miles and Piper
Fall Fast - Nathan and Emme
Fall Back - Cade and Mel
Fall Dark - Vince and Larken