EDGAR RICE BURROUGHS - Tarzan collection, John Carter of Mars, The Caspak series, Other Works [24 works with excellent formatting & book and chapter navigation]

Tarzan collection, books 1-8
TARZAN OF THE APES
THE RETURN OF TARZAN
THE BEASTS OF TARZAN
THE SON OF TARZAN
TARZAN AND THE JEWELS OF OPAR
JUNGLE TALES OF TARZAN
TARZAN THE UNTAMED
TARZAN THE TERRIBLE

John Carter of Mars, books 1-5
A PRINCESS OF MARS
THE GODS OF MARS
WARLORD OF MARS
THUVIA, MAID OF MARS
THE CHESSMEN OF MARS

The Caspak series, books 1-3
THE LAND THAT TIME FORGOT
THE PEOPLE THAT TIME FORGOT
OUT OF TIME'S ABYSS

Other Works, 8 books
AT THE EARTH'S CORE
THE LOST CONTINENT
THE MAD KING
THE MONSTER MEN
THE MUCKER
THE OAKDALE AFFAIR
THE OUTLAW OF TORN
PELLUCIDAR