53 1 10 The Witchmaster's Key FRANKLIN W. DIXON Primary Author mixed material 0448089556 New York Grosset & Dunlap 1972 The_Witchmaster%27s_Key.JPG.JPG The Shattered Helmet FRANKLIN W. DIXON Primary Author mixed material 0448089521 New York Grosset & Dunlap 1972 76948.jpg.jpg The Arctic Patrol Mystery FRANKLIN W. DIXON Primary Author mixed material 0448089483 New York Grosset & Dunlap 1972 760134.jpg.jpg The Bombay Boomerang FRANKLIN W. DIXON Primary Author mixed material 0448089491) New York Grosset & Dunlap 1972 76931.jpg.jpg The Mysterious Caravan FRANKLIN W. DIXON Primary Author mixed material 0448089548 New York Grosset & Dunlap 1972 760119.jpg.jpg The Clue of the Hissing Serpent FRANKLIN W. DIXON Primary Author mixed material 044808953X New York Grosset & Dunlap 1972 760129.jpg.jpg The Masked Monkey FRANKLIN W. DIXON Primary Author mixed material 0448089513 New York Grosset and Dunlap 1972 76953.jpg.jpg Danger on Vampire Trail FRANKLIN W. DIXON Primary Author mixed material 0118089505 New York Grosset & Dunlap 1971 61FX9CA3k0L._AC_UL210_SR210%2C210_.jpg.jpg Kickoff to Danger FRANKLIN W. DIXON Primary Author mixed material 0743406850 New York aladdin paperbacks 2002 Past and Present Danger FRANKLIN W. DIXON Primary Author mixed material 0743406605 New York aladdin paperbacks 2002 710hn0Bs0IL._UF1000%2C1000_QL80_.jpg.jpg