The Secret of the Mansion (Trixie Belden #1)
by Julie Campbell
Thirteen year old Trixie is sure her summer is doomed to boredom with her older brothers both at camp. But soon she has a millionaire's daughter as a new neighbor, a mysterious runaway is hiding in the woods, and a wealthy old miser dies without telling anyone where he has left his fortune. Can she solve all the mysteries before summer ends?
