Tierra is a parallel Earth, rooted deep in dark fantasy. Strange and sinister things are very common in Tierra. Tierra has a few individuals who wield powers that are impossible on Earth. 

Short stories set in Tierra:

• "The Mansion" from A Collection of Nightmares

• "The Tower of Power" from A Collection of Nightmares

Novels set in Tierra:

• The Haven

• The Evil Among Us