Alternate reality (Pocket)
A series of novels set in the alternate reality have been published, tying in with . The two novelizations were published by Pocket Books alongside the films' releases, and the final two were published in 2020 by Gallery Books.

Novels
 , by Alan Dean Foster
 , by Alan Dean Foster
 The Unsettling Stars, by Alan Dean Foster
 More Beautiful Than Death, by David Mack

Novel series