The release date for the English version of 'Batman: The Killing Joke' by
Alan Moore is Mar 1988. If you enjoy this novel, it is available for buy as a paperback from Barnes & Noble or Indigo, as an ebook on the Amazon Kindle store, or as an audiobook on Audible.
This story of madness and human tenacity reveals the genesis of the Joker for the first time. The Joker tries to make Commissioner Gordon go nuts in a bid to demonstrate that any man may be driven over his breaking point and go insane.
Following a gunshot that leaves his daughter Barbara (also known as Batgirl) permanently paralyzed, the Joker abducts the commissioner and proceeds to mentally assault him in an attempt to destroy him.
But Gordon doesn't lose up and works with Batman to keep himself sane while attempting to trouble the insane guy.