The Chessmen of Mars
Edgar Rice Burroughs
Martian (5)
Thuvia, Maid of Mars
Martian (4)
The Land That Time Forgot
A Princess of Mars
Martian (1)
Pellucidar
Pellucidar (2)
The Gods of Mars
Martian (2)
At the Earth’s Core
Pellucidar (1)
The Warlord of Mars
Martian Series (3)