A Handbook for Psilocybin Enthusiasts

by O.T. Oss & O.N. Oeric (the McKenna brothers)

The revised and expanded edition of the classic how-to manual of psilocybin mushroom cultivation. In-depth growing instructions with step-by-step photographs showing exactly how it is done. The rediscovery of the mushroom and its historical use in ritual is also covered.

90 pages, paperback, 6x8.5