When Josh, his parents, grandfather, and eight-year-old brother move into the old Tilton House, they discover such strange things as talking rats, a dimmer switch that makes the house invisible, and a powder that makes objects grow.

A delightfully dark middle-grade novel reminiscent of the Newbery-winning classic, The Westing Game. Think of a wish. Go big with it. A winning lottery ticket. Eternal happiness. School vacation for a year. Now, answer this question: If you know this wish will come true, would you still make it if you knew someone else would somehow have to pay for it? That's the catch thirteen-year-old Gabe Silver faces when a mysterious millionaire sells him a bottle...