While it was author J.K. Rowling who ultimately suggested the alternative title, she still regrets the decision.

HARRY POTTER
Make it the first stop on your magical vacation.
Brazilian scientists gave a recenty identified cave spider the name Ochyrocera aragogue, after Hagrid's enormous pet spider Aragog.
What can a book about a boy wizard fighting a bad guy who drinks unicorn blood teach kids about the real world? A whole lot, according to a study conducted by researchers in Italy.
“Magic: it was something Harry Potter thought was very good.”