Summary from GoodReads:
Years ago, Maxwell Barrett found a map to Atlantis and dedicated his life to the search for the mystical lost continent. But when an alluring woman makes a wager for the priceless artifact, he may have discovered an even greater treasure.
A descendant of Atlantis, Sabine Tobias needs the map to decipher an ancient prophecy. What she doesn't need are the sparks flying between her and Max. He's too devilishly charming to be trusted: The fate of her people is at stake as well as her heart. Yet a ruthless killer also covets the map. Now Max and Sabine must race to decode the prophecy's riddle before this criminal fulfills his deadly mission.