Erowid

Erowid

Search Amazon.com for drugsErowid is an online library containing thousands of pages of information about psychoae  drugs, plants, and chemicals, including entheogens, psychedelics, stimulants, depressants and pharmaceuticals. Includes traditional, spiritual, and responsible use, chemistry, effects, experiences, images, research, legislation, media coverage, bibliographies and a whole lot more

website link 
http://www.erowid.org/

Erowid
4/ 5 stars - "Erowid"