Linda Howard 
Heart of Fire [EPUB ebook] 

A fabulous lost Amazon city once inhabited by women warriors and containing a rare red diamond: it sounded like myth, but archaeologist Jillian Sherwood believed it was real, and she was willing to put up with anything to find iteven Ben Lewis.Ruffian, knock-about, and number one river guide in Brazil, Ben was all manover six feet of rock-hard muscles that rippled under his khakis, with lazy blue eyes that taunted her from his tanned face. Jillian watched him come to a fast boil when she refused to reveal their exact destination upriver in the uncharted rain forestsand resolved to stand her ground. Neither of them could foresee what the days ahead promised: An odyssey into the fiery heart of passion and betrayal, and a danger that would force them to cast their fates together, immersed in the eternal, unsolved mysteries of love…