Differences between the book and film

A  list of differences between the novel by Victor Hugo and the Disney animated film.

Quasimodo's mother

 * In the original book, Quasimodo's mother switched her son and Esmeralda at birth because she was disgusted by her son's deformity. However, in the film, Quasi's mother loves her son unconditionally, despite his appearance.
 * Quasi's Mother dies protecting him as she flees from Judge Frollo, who he kills on Notre Dame's Doorstep. Frollo lies to Quasi and claims his mother left him to die.