Second Edition: Revised & Expanded 2010 2010-2014 Reviews by Amazon.com Buyers "Bill is ... an expert incredibly versed in the uses and cultivation, both historically and in modernity in a myriad of other entheogenic plants and substances. Take for example his recently revised manual: The International Cultivators Handbook: Hashish, Coca, and Opium. One quick look at this book will reveal to you the breadth of Bill's valuable Shamanic knowledge and...