May I please have your opinion as to the current reliability of these older texts on herbal safety and herb/drug interactions? These titles are: The Essential Guide to Herbal Safety, Mills and Bone (2005); E/S/C/O/P Monographs, 2nd Edition (2003); Herb Toxicities & Drug Interactions, Jennes with Flaws (2004); Herb, Nutrient, and Drug Interactions, Stargrove, Treasure, McKee (2008); and Herbs & Natural Supplements, 2nd Edition, Braun & Cohen (2007).