00801cam a2200205 4500 361388818 TxAuBib 20020307120000.0 851017s1967||||||||||||||||||||||||eng|u TxAuBib Dixon, Franklin W. The mark on the door / by Franklin W. Dixon. New York : Grosset & Dunlap, [1967] 175 p : illus ; 20 cm. His Hardy boys mystery stories ; 13 The search for a stolen boat leads the Hardy brothers to Mexico where they become involved with a band of Indians and a strange smuggling operation. 20020307. Mystery and detective stories. His Hardy boys mystery stories ; 13.