The cat who went into the closet

Summary: When Qwill rents Euphonia Gage's mansion in Moose County, he and Koko soon discover fifteen closets jammed with several generations of junk. But what starts out as junk soon turns into something more. The mansion's former occupant is enjoying a new life in warm, sunny Florida. But word soon comes that Euphonia is dead, an apparent suicide victim. Why would someone as happy and full of life as Euphonia Kill herself? And what is the connection between the Gage family and dead potato farmer Gil Inchpot (Who is found buried in snow with a bullet in his head)? Can Qwill and the cats uncover a family secret before the winter yields another dead body?