Flash Fire by Dana Marton

When an American teenager disappears abroad, Clara Roberts, a by-the-book investigator on a secret mission, joins forces with Light Walker, an ex-SEAL turned lawless mercenary, to save her. The sparks they generate–and the trouble they stir up–threaten to set the jungle ablaze. Nothing is what it seems in this fast-paced romantic thriller. As attraction grows into love, looming danger turns into all-out war, and the whole region explodes around them. Clara and Walker must hold on to each other and race against time to survive.