When Professor E. Gore visits Hauntly Manor Inn, he starts to work on a top secret project with Hilda Hauntly. Two mad scientists mean double trouble. This description may be from another edition of this product.
When Professor E. Gore is staying with hilda Hauntly the three kids think they are in trouble because Hilda and the E. Gore will be making a new invention. Is it a good invention or a bad invention?
good.
Published by Thriftbooks.com User , 25 years ago
Jane,Ben,and Annie are trying to make a tree house but they can't consintrait when a car that looks like a hearsh stops right in front of Hautly Manor Inn.Is there a mad scintest visiting Hilda Hauntly?Are they going to clone monters?Ben,Annie,and Jane have to find out or they might be in trouble....double trouble!
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