Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Lysergic acid diethylamide, commonly known as LSD, sugar cubes or microdot, is the most potent hallucinogenic substance, as reported by the U.S. Drug Enforcement Administration. First developed in the late 1930s, by Swiss chemist Albert Hoffman, LSD is a colorless, odorless, and mildly bitter solid synthetic crystalline compound of the ergoline family. Largely used in psychedelic therapy, LSD was recently the subject of researches carried out by a group of Norwegian scientists, who have discovered a potential beneficial of LSD drug on patients suffering of alcoholism. To find out more about LSD, its history, social and legal status – read this book.