TY - BOOK AU - Dixon W. franklin AU - Franklin W. Dixon TI - The Secret Panel SN - 97804489256 U1 - Fic. D621s 2008 PY - 1946/// CY - Canada PB - Franklin W. Dixon KW - written as a letter to his son as he begins boarding school. It serves as a guide on how to navigate life, social interactions, and personal development KW - highlights several, often implicit, moral and practical lessons through the actions of Frank and Joe Hardy N2 - Frank and Joe investigate a "lockless" mansion belonging to a supposedly dead man, John Mead. The brothers uncover a plot involving a master criminal using Mead's advanced, hidden-lock technology to pull off robberies, ultimately tying the mansion to a kidnapping case. ER -