Ed Rosenthal

Author, Founder, Wonders Of Cannabis

Ed Rosenthal is recognized worldwide as a leading authority on marijuana. In almost 40 years as America's "Guru of Ganjasm" he has written or edited more than two dozen books about marijuana cultivation and social policy that cumulatively have sold over two million copies. His first book is the only title on marijuana cultivation to be reviewed by the New York Time's Book Review and his latest release, Marijuana Grower's Handbook has become the definitive marijuana cultivation resource and official course book for Oaksterdam University, the leading trade school for the cannabis industry. After almost three decades, his Ask Ed column continues to answer questions on all matters of marijuana from readers around the world.