The New Materia Medica is a source book of information on some of the most exciting new crystal, botanical, and animal remedies now in use by practitioners of t

David S. Riley’s interest in the history, methodology and results of homeopathic drug provings began with his exposure to homeopathy in 1988 and his later stu

This long-awaited follow-up to the author's acclaimed New Materia Medica provides the most comprehensive information available on the most successful new fundam

This long-awaited follow-up to the author's acclaimed New Materia Medica provides the most comprehensive information available on the most successful new fundam