25 Complete Works of Edgar Rice BurroughsA Princess of MarsThe Chessmen of MarsThe Gods of MarsThuvia, Maid of MarsWarlord of MarsAt the Earth's CoreOut of Time's AbyssPellucidarThe Efficiency ExpertThe Land That Time ForgotThe People That Time ForgotThe Lost ContinentThe Mad KingThe Monster MenThe MuckerThe Oakdale AffairThe Outlaw of TornJungle Tales of TarzanTarzan and the Jewels of OparTarzan of the ApesTarzan the TerribleTarzan the UntamedThe Beasts of TarzanThe Return Of TarzanThe Son of Tarzan