Meet Gary Rotter, Won, Heidi, and Professor Dreghorn: The alternate reality version of the Wizard World in New York City — “J.K. Rowling has signed a world English deal with Little, Brown, selling print, e-book, and audio rights to her first novel for adults. David Shelley, publisher of the Little, Brown Book Group in the U.K., will be editing the work, which is currently untitled; he brokered the deal with Neil…