Of Course there is the novel by Victor Hugo
The upcoming The Hunchback of Notre Dame: The Stage Musical which features musical arrangements of 17 songs from the musical.
The is also biography books of the actors who have been in movie version of Hunchback that give a little insights and story about the movies.
Tis Herself is the autobiography of Maureen O’Hara
My Hollywood: When Both of Us Were Young is the autobiography of Pasty Ruth Miller