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Underground World fantasy books

A small handful of fantasy books in our catalogue lean on the underground world trope — 9 of them so far. Each one comes with a content rating, age recommendation, and trigger warnings.

9 books
Newest firstHighest rated
He Who Fights With Monsters 10
He Who Fights With Monsters 10
Shirtaloon
RAdult 18+
E. Aster Bunnymund and the Warrior Eggs at the Earth's Core!
E. Aster Bunnymund and the Warrior Eggs at the Earth's Core!
William Joyce
PGMiddle Grade 8-12
Closer
Closer
Roderick Gordon
PGMiddle Grade 8-12
Tunnels (Tunnels #1)
Tunnels (Tunnels #1)
Brian Williams, Roderick Gordon
PGMiddle Grade 8-12
Three Hands for Scorpio
Three Hands for Scorpio
Andre Norton
PG-13YA 12-17
Exile
Exile
David Peters
PG-13YA 12-17
Exile
Exile
Peter David
PG-13YA 12-17
Moon Called
Moon Called
Andre Norton
PGMiddle Grade 8-12
Phthor
Phthor
Piers Anthony
RAdult 18+