(From the publisher):
Trixie and Diana Lynch were friends for years before Diís family became fabulously rich. So when Diís long-lost uncle starts ruining her social life, Di turns to her old friend for help. But Trixie thinks Uncle Monty isnít just an annoying relativeĖshe thinks heís an impostor!
Original title: Trixie Belden and the Mysterious Visitor
Genre: Fiction→ Children & Young Adult→ Mystery