 Comparisons: The Workbook Only Control condition involves receiving the self-help booklet through the mail after a brief telephone assessment. The Minimal Treatment condition involves receiving the same workbook but also having a motivational enhancement intervention by telephone. The Brief Treatment condition provides the workbook, motivational enhancement, and follow-up support on six occasions spread over 36 weeks. The Wait List Control condition involves participants being assigned to a six week waiting list. Participants are assessed and after a six week waiting period they will have a reassessment at which time they will be sent the gambling self-help workbook. 