The "Comprehensive Textbook of Psychiatry/VI/30th Anniversary (Vol.1)" by Harold I. Kaplan and Benjamin J. Sadock is a massive trade hardcover textbook published by Lippincott Williams & Wilkins in 1995.

This detailed work covers a wide range of subjects within medical psychiatry, making it a valuable resource for students and professionals in the field.

With 3000 pages of informative content, this textbook is a must-have for anyone looking to deepen their understanding of psychiatry and mental health.