The Devil's Lagoon (Pirates of London #3)
Annabel Wolfe

Stowing away on Lord Auberville’s ship is the most audacious thing she’s ever done, but Hannah is determined to find out once and for all how he feels about her. Can she seduce him and break that cool exterior? An innocent, she has no idea, but she has always craved an adventure and tropical seas and a handsome lord might just fulfill her romantic dreams…
One independent aristocratic lady and an enigmatic spy travel south together into an erotic journey of both love and danger.