books.google.com - One moment, Sir Sam Vimes is in his old patrolman form, chasing a sweet-talking psychopath across the rooftops of Ankh-Morpork. The next, he's lying naked in the street, having been sent back thirty years courtesy of a group of time-manipulating monks who won't leave well enough alone. This Discworld...http://books.google.com/books/about/Night_Watch.html?id=ubRi0dxb8EIC&utm_source=gb-gplus-shareNight Watch