00731cam a2200229 4500 140856788 TxAuBib 20130717120000.0 751020s1964||||||||||||||||||||||||eng|u 9780448089072 $6.99 0448089076 $6.99 (OCoLC)1718945 TxAuBib Dixon, Franklin W. The Hardy boys : The secret of the caves / by Franklin W. Dixon. New York : Grosset & Dunlap, 1964. 175 p. : ill. Hardy boys mystery stories ; 7 20130717. Hardy boys mystery stories ; 7. TXKAR