Weil, Andrew From chocolate to morphine : everything you need to know about mind-altering drugs / Andrew Weil and Winifred Rosen. - revised edition - 291 pages ; 21 cm. Originally published as: Chocolate to morphine : understanding mind-active drugs, 1983. Includes bibliographical references and index. ISBN: 0618483799 LCCN: 2004057677 Subjects--Topical Terms: Psychotropic drugs. LC Class. No.: RM315 / .W44 2004 Dewey Class. No.: 615/.788