The Secret of the Lost Tunnel
Franklin W. Dixon
The Hardy Boys Mystery Stories (29)
The Secret of the Scarlet Hand
Carolyn Keene
Nancy Drew Mystery Stories (124)
Voyage of the Moonstone
Joe Dever
Lone Wolf (21)
The Clue on the Silver Screen
Nancy Drew Mystery Stories (123)
The Complete Robot
Isaac Asimov
Asimov's Robot (0.3)
The Rest of the Robots
Asimov's Robot (0.2)
Robots and Empire
Asimov's Robot (4)