Stop Smoking Now: Without Gaining Weight. Allen CarrPaperback, 1 December 2009

Allen Carr was a chain-smoker, who used to get through 100 cigarettes a day until he discovered the 'Easyway to Stop Smoking' in 1983. His method involves a psychological reappraisal of why people smoke as well as understanding the subtle and pervasive nicotine trap and how it works.