"This is gonna sound crazy," Margi said, "But I think they were chupacabras." Ray frowned. "Cha. . . chalupa. . . coprah?" She laughed. "No Dad, chupacabra. It means 'goatsucker' in Spanish." "So what the heck are they?" "Well, that's the thing. Nobody really knows." When Margi agreed to go on a business trip to South America with her Dad she just wanted to spend some time with him. Maybe it would even be exciting. Now their plane had crashed and they were stuck in the jungle, surrounded by strange monsters. To get out they'd have to rely on skills they didn't know they had. There's such a thing as too exciting.