00392nam a2200133 a 450000500170000000800410001710000230005824500500008126000410013130000180017244000400019085200110023099900170024120191218060030.0090420s19uu    xx            00    eng d10aDixon, Franklin W.10aThe mark on the door /cby Franklin W. Dixon.0 aNew York :bGrosset & Dunlap,c1992.  a175 p. : ill. 0aThe Hardy boys mystery stories ; 13  7OLOPSC  c57017d57017