Something--something that left tiny, hooved footprints--had come out of the jungle. whatever it was had removed every trace of the wreck--as well as the army payroll Consuela had stolen. Her impetuous search for the money led her and Griggs into a strange world peopled by stranger beings, creatures whose intentions they did not understand . . . until it was too late!
Used availability for Daniel Da Cruz's The Grotto of the Formigans
August 1987 : USA Mass Market Paperback
November 1980 : USA Mass Market Paperback