(1) To recruit nationally a cohort of approximately 1242 smokers who are cancer survivors(621 childhood cancer survivors and 621 adult cancer survivors); 2) To determine the long-term (one year) efficacy of the intervention condition for participants randomly assigned to the Counselor-initiated versus a Self-paced QL; and (3) to find out whether treatment outcomes vary as a function of survivors' age of cancer diagnosis (survivors who diagnosed while adults vs. childhood cancer survivors who diagnosed before the age of 21).