00605cam a2200205 4500 144960599 TxAuBib 20130924120000.0 751020s1964||||||||||||||||||||||||eng|u 9780448089072 0448089076 TxAuBib Dixon, Franklin W. The Secret of the Caves : #7 / by Franklin W. Dixon. New York : Grosset & Dunlap, 1964. 175 p. : ill. Hardy boys mystery stories ; 7 20130924. Hardy boys mystery stories ; 7.