Spooky Thorn Mansion is deserted--and full of mysteries for Mary-Kate and Ashley, the Trenchcoat Twins, to solve. There's an eerie humming noise, puddles of mysterious goo on the floor, and a strange thick fog emitting from the old house. 8-pp. photo insert Ages 7-9. Pub: 12/97. .
About Nina Alexander
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Published December 1, 1997
by Scholastic Paperbacks.