Wow, I actually finished a book! Only my second this year - yes, I know I've been a lazy reader! Shift is the second book in Hugh Howey's Silo trilogy and as a prequel to Wool it doesn't quite stand alone as an idenpendent book - more like a bridge between the first and the last book of the series explaining how everything came to be. If you haven't read Wool yet but are planning to (which I warmly recommend you do even if you wouldn't otherwise be the biggest sci-fi fan) don't read any further because there might be some spoilers. In modern Hollywood films I often find it a bit disturbing that nothing is left for imagination any more. Instead you are shown every gruesome act of violence and graphic sex scene, even though what we don't see can often be scarier or sexier than what is right there in front of your eyes. Think Hitchcock's Rearwindow and the suspense they were able to build without actually showing anything. It's