New Released JK Rowling's Book's clues suggest a turn to crime fiction.

JK Rowling has deal for new novel for adults

The title, release date and details about the book, long rumored, were not announced. A neighbor of Rowling's in Edinburgh, author Ian Rankin, tweeted Thursday that he thinks Rowling has written a mystery novel. 

JK Rowling's new book: clues suggest a turn to crime fiction

And now he's going to be editing Rowling's new book. I met Shelley five years ago when I was writing a profile of him for the Bookseller. He'd already made quite a mark on publishing: he was publishing director of Allison & Busby at just 23.

JK Rowling on a novel

EVEN THOUGH millions of grown-ups know far too much about Ron Weasley and Voldemort, JK Rowling, author of the gold-minting, money-printing "Harry Potter" series has an agreement with Little, Brown in the US and Britain to release her first adult novel