024 The Short-Wave Mystery
Franklin W. Dixon
The Hardy Boys Mystery Stories (24)
Masquerade in Lodi
Lois McMaster Bujold
Penric and Desdemona (Publication order) (9)
043 The Mystery of the Aztec Warrior
The Hardy Boys Mystery Stories (43)
The Green Hills of Earth and The Menace from Earth
Robert A. Heinlein
Queste
Angie Sage
Septimus Heap (4)