75 years ago Batman made his 1st appearance in Detective Comics #27. He has went on to have his own comic books, tv shows, movies, and much more. DC Comics has decided July 23rd would be “Batman Day”. People are celebrating “Batman Day” in many ways. Comixology.com is celebrating by have a huge sale on Batman comic books. The sale starts today and will last 7 days. You can purchase 750 Batman comics all priced at 99 cents. You can catch up on more recent comics like New 52 Batman and New 52 Detective Comics. You can even take a trip to the past with some Batman classics from the 1940s. Head over to Comixology.com now to get your hands on some 99 cent, digital, Batman comics.