More like The Lost Sword

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The Leviathan TrilogySeries
series3 books2009
Alternate history, about genetic engineering, set in europe.
“Set in an alternate First World War, Leviathan splits the belligerents into Clankers, who fight with mechanical walkers, and Darwinists, who fight with fabricated living creatures built from spliced DNA.”
from the catalogue
Start with Leviathan →
Tolkien's legendariumUniverse
universe163 books1923
Fantasy, set in secondary world.
“Before the seas were bent and the mountains raised, there was Music — and from that Music came Arda, and in the west of Middle-earth the long defeat and stubborn hope of those who dwell there.”
from the catalogue
Start with The Fellowship of the Ring →
includes The Hobbit, The Lord of the Rings, The Fall of Gondolin, The History of Middle Earth
TarzanUniverse
universe100 books1912
Adventure, adventurous in tone, set in early 20th century.
“Deep in a jungle no map has tamed, an English lord's orphaned son is suckled by a she-ape and grows to manhood knowing neither his name nor his kind.”
from the catalogue
Start with Tarzan of the Apes →
includes Tarzan, The Wild Adventures of Tarzan, The Tarzan Trilogy, Tarzan's Africa / Opar / Khokarsa, Tarzan and the Martian Legion
El BorakSeries
series25 books1934
Set in middle east.
Start with The Daughter of Erlik Khan →
The Copernicus LegacySeries
series6 books2014
Set in contemporary.
“While a work of fiction, it does incorporate some facts about Copernicus's history.”
from the catalogue
Start with The Forbidden Stone →
Jack Christie AdventuresSeries
series3 books2009
Time travel, set in our world.
Start with Day of the Assassins →