Title: The Secret of the Mansion (Trixie Belden #1)
Description: Thirteen-year-old Trixie Belden and her friends search for hidden treasure in a mysterious mansion owned by an old miser.
Subjects: Buried treasure, Fiction, Mystery and detective stories, Trixie Belden (Fictitious character), Treasure troves, Detective and mystery stories, Juvenile fiction, Children's fiction, Belden, trixie (fictitious character), fiction, Buried treasure, fiction