However , details of the novel were not disclosed .
Prior to the book 's release , statements such as Haruki Murakami 's messages on 28 February and 15 March , were issued to convey fragments of information over the course of seven statements .
Details of the novel were not disclosed .
Prior to the book 's release , statements such as Haruki Murakami 's messages on 28 February and 15 March , were issued to convey fragments of information over the course of seven statements .