This comprehensive text, written by experts in each topical area, provides research-based approaches designed for work with youth in the difficult transition from adolescence to adulthood. Developmental in its orientation, the text moves from population definition and identification, to causal factors and issues most often identified with placing youth at risk, to a prevention-intervention paradigm specifically created for teens. Illustrative case studies and enlightening sidebars enhance reader self-awareness, promote self-study and skill development, and aid in the comprehension of the concepts and applications of chapter material.