Mystery of the Fallen Treasure
Gertrude Chandler Warner
The Boxcar Children (132)
The Green Hills of Earth and the Menace From Earth
Robert A. Heinlein
Flotsam Prison Blues
M. K. Gibson
The Technomancer Novels (2)
The Mummy Case
Franklin W. Dixon
The Hardy Boys Mystery Stories (63)
His Outback Nanny
Annie Seaton
Prickle Creek (3)