In this enduring bestseller, Dr. Norman E. Rosenthal provides empowering information and guidance for the millions who suffer from seasonal affective disorder (SAD). Over 100,000 readers have learned science-based ways to boost their energy and overcome low moods and problems with sleep, concentration, and food cravings—even during the darkest winter days. Dr. Rosenthal helps readers map out their own seasonal patterns, get the most out of light boxes and other effective self-help options, and make informed decisions about antidepressants and psychotherapy. Updated throughout, the fourth edition features a compelling new chapter on meditation and is designed to be even more user friendly, with chapter-opening questions, engaging boxes and bulleted lists, and downloadable worksheets.

Also available in hardcover: ISBN 978-1-4625-0570-8. $45.
Also available as an e-book: ISBN 978-1-4625-0574-6. $17.95.