Narrated by movie actor Kirby Heyborne, recipient of the Odyssey Award, the highest honor bestowed by the American Library Association.A missing pilot, a lost treasure ship, and a mysterious desert to explore!"Spinning around, the Wright cousins saw a crack in the mountainside expand, revealing a dark, shadowy passage..." The five teenage Wright cousins are having a blast 4-wheeling in the desert as they look for a long-lost Spanish treasur...

A mysterious map, horses to ride, and a lost treasure city to uncover!"Lindy desperately clawed at the rocks around her, trying to stop from being dragged downward into the abyss..." A mysterious map holds the key to the location of an ancient treasure city. When the Wright cousins set out on horseback to find it, they run headlong into desert flash floods, treacherous passages, and formidable foes. Saddle up for thrilling discoveries and the cousi...