Which are your books of the year? With hundreds of thousands of titles published over the last 12 months, which did you enjoy the most? Deep in the middle of the Christmas recommendation season - with the Observer collecting a fistful of thumbs-up for Jonathan Franzen's Freedom and a nod for Tony Blair's A Journey, and with critics from Hilary Mantel to Wiliam Boyd giving us their recommendations in tomorrow's Guardian Review - we'd like to hear from you. What about the books that didn't receive wall-to-wall coverage? And how will all our lists compare? Join our editors and bloggers below the line to discuss which titles should make the cut