02053cam a2200457 i 4500 1496905278 TxAuBib 20240808120000.0 890321s1975||||||||||||||||||||||||eng|u 66031247 9780448089270 hardcover 0448089270 hardcover (OCoLC)19406194 TxAuBib rda Dixon, Franklin W, author. The secret of Skull Mountain / by Franklin W. Dixon. New York : Grosset & Dunlap, [1975] ©1975. 177 pages : illustrations ; 20 cm. txt rdacontent n rdamedia nc rdacarrier sti rdacontent rdamedia rdacarrier Hardy boys mystery stories, The ; 27 Mysterious skull -- Strange laughter -- Chet joins up -- Sailor Hawkins -- Missing scientist -- Two masked men -- Hatchet job -- Disappearance -- Tiger trouble -- Deserted boat -- Cast adrift -- Decoy hunt -- Dangerous cargo -- Mountain puzzle -- Escaping stream -- Night light -- Rear room -- Secret tunnel -- Surprising explanation -- Smoked out. When a crime syndicate takes over Bayport's reservoir Frank and Joe Hardy help their detective father solve the sinister mystery. Accelerated Reader AR MG 5.6 5.0 Accelerated Reader Quiz #5683. Reading Counts 6-8 6.3 7 13159. Lexile 720L. 20240808. Hardy Boys (Fictitious characters) Juvenile fiction. Investigations Juvenile fiction. Juvenile works. fast Fiction. lcgft Detective and mystery fiction. lcgft The Hardy boys mystery stories ; 27. TXAAL