TY - BOOK AU - Dixon,Franklin W. TI - The secret of Pirates' Hill T2 - Hardy boys mystery stories SN - 044808936X AV - PZ7.D644 Sck4 PY - 1972///] CY - New York PB - Grosset & Dunlap KW - Mystery and detective stories KW - Hardy Boys (Fictitious characters) KW - fast KW - Buried treasure KW - Fiction KW - Treasure troves KW - Detective and mystery fiction KW - lcgft N1 - Underwater danger -- A suspicious client -- A motorcycle clue -- New tactics -- The stakeout -- Mysterious attackers -- The battle of Bayport -- Spies -- A surprising suspect -- Fireworks! -- An alias -- Startling developments -- Mixed identities -- Chet's kidnap story -- An impostor -- The wreck -- Gunner's tools -- Guarding a discovery -- Human targets -- Divers' reward; 710L; Lexile; Accelerated Reader AR; MG; 5.4; 5; 5682 N2 - Hired to locate an old Spanish cannon, the Hardy brothers uncover an even greater treasure after perilous underwater adventures ER -