(From the publisher):
Packwood Manor is a strange, rambling house with hidden rooms and staircases that go nowhere. The wealthy owner, Miss Packwood, keeps tearing down the Manor and rebuilding it. Then just after Miss Packwood decides to do it once again, the strangest thing of all happens -- Miss Packwood disappears! Shelby must find Miss Packwood and catch the house criminal before the door is shut on this case!
Original title: House Arrest
Genre: Fiction→ Children & Young Adult→ Mystery