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