More like Battle for Pellucidar

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Edgar Rice Burroughs' Pellucidar universeSeries
series24 books1922
Adventurous in tone, set in lost world and underground & caves.
Start with At the Earth's Core →
Allan QuatermainSeries
series25 books1885
Set in africa and 19th century.
“An English professional big game hunter and adventurer, in film and television he has been portrayed by Richard Chamberlain, Sean Connery, Cedric Hardwicke, Patrick Swayze and Stewart Granger among others.”
from the catalogue
Start with Marie →
The Cave GirlNovel
Edgar Rice Burroughsstandalone novel1925
Set in our world and prehistoric.
Caspak UniverseSeries
series4 books1918
Set in early 20th century.
Start with The Land That Time Forgot →
The People of the MistNovel
H. Rider Haggardstandalone novel1894
Set in 19th century.
Jungle BookUniverse
universe44 books1893
Set in 19th century and jungle.
“The Law of the Jungle is older than any animal reciting it, and a naked man-cub who wandered into a wolf den at dusk will have to learn every clause of it.”
from the catalogue
Start with The Jungle Book →
includes The Jungle Books