I wish I knew the knowledge that there two amazing books contains when I attempted my final try to get rid of myself from the nicotine prison seven years ago. I am sure the transition of quitting and becoming a non-smoker would have been easier for me and not so painful, especially in the psychological area.
I highly recommend to download and read these two books:
Joel Spitzer’s free ebook Never Take Another Puff
John R. Polito’s free ebook Freedom from Nicotine – The Journey Home