The Secret of the Mansion
Trixie Belden Series, Book 1eBook - 2012
Trixie's summer is going to be sooo boring with her two older brothers away at camp. But then a millionaire's daughter moves into the next-door mansion, an old miser hides a fortune in his decrepit house, and a runaway kid starts hiding out in Sleepyside!
From the Hardcover edition.