Even the Japanese authors are targeted and it looks like it's not a cheap job. They researched the author, publishers, the agent, and translator of the book to

Even the Japanese authors are targeted and it looks like it's not a cheap job. They researched the author, publishers, the agent, and translator of the book to English and wrote an phishing mails that looks like authentic. The effort and resources they put on this scam doesn't justify for the cost of pirate. Besides, why do they want draft that isn't finished yet? There's only handful of authors whose upcoming book is so valuable and worth leaking.