Forbes tech reporter Andy Greenberg's book, This Machine Kills Secrets was published on September 13th.It's been working it way up the sale charts since.Here's a New York Times book review by Evgeny Morozov.The book is about whistleblowing (a history) and of the tech used by today's leakers.And here's a cool thing: the book contains a cryptographic puzzle within its pages.A puzzle that our Timo Hirvonen solved!Congrats, Timo!Book excerpts, so you can get taste:Forbes: Meet The 'Spiritual Godfather Of Online Leaking'Wired: The WikiLeaks Spinoff That Wasn'tSlate: The WikiLeaks Copycat That WorkedCheck it out.