Edgar Rice Burroughs 
The Essential Edgar Rice Burroughs Collection 

The Essential classic collection of books by science fiction author Edgar Rice Burroughs:Table Of Contents At the Earth’s Core The Beasts of Tarzan THE CHESSMEN OF MARSTHE EFFICIENCY EXPERTTHE GODS OF MARSJungle Tales of Tarzan The Land that Time Forgot THE LOST CONTINENTTHE MAD KINGTHE MONSTER MENTHE MUCKERTHE OAKDALE AFFAIRTHE OUTLAW OF TORNOut of Time’s Abyss PELLUCIDARThe People That Time Forgot A PRINCESS OF MARSThe Return Of Tarzan The Son Of Tarzan Tarzan and the Jewels of Opar Tarzan of the Apes Tarzan the Terrible Tarzan the Untamed Thuvia, Maid of Mars Warlord of Mars