Listmania!
Even better books than anyone else suggests
Allen Carr's Easy Way to Stop SmokingAllen Carr's Easy Way to Stop Smoking by Allen Carr
Buy used from: £0.01
Didn't work for me but love the machinery of change
The Voice of Tobacco: A Dedicated Smoker's Diary of Not SmokingThe Voice of Tobacco: A Dedicated Smoker's Diary of Not Smoking by Richard Craze
Buy used from: £0.75
Now this one did it for me - loved this and it made me stop smoking. It's real and that's what counts
The Little Book of QuittingThe Little Book of Quitting by Allen Carr
Buy new: £3.07 / Used from: £0.01
Nice book, cute and fits easily into your pocket, just like a packet of fags would