there are few technical books that remain in a leadership position for 65 years. the pharmacological basis of therapeutics is one. physicians, teachers, and medical students have voted for goodman & gilman with their feet and with their pocketbooks for over six decades. the question is not whether this is an important and useful text, but why? 　　a sentence by the original authors in their 1940 preface still describes the 11th edition: “this book has also been written for the practicing physician, to whom it offers an opportunity to keep abreast of recent advances in therapeutics and to acquire the basic principles necessary for the rational use of drugs in his/her daily practice.” the book’s 65 chapters are grouped into 15 sections: general principles, drugs acting at synaptic and neuroeffector junctional sites, drugs acting on the central nervous system, drug therapy of inflammation, drugs affecting renal and cardiovascular function…chemotherapy of microbial diseases, chemotherapy of neoplastic diseases…hormones and hormone antagonists, dermatology, ophthalmology, toxicology, plus two appendices on prescription writing and patient compliance, and on the design of dosage regimens. 　　reading the sections on general principles reminds one that, with the notable exception of antimicrobial and antiparasitic therapy, pharmacology is the science of altering human physiology by chemical means. the well-written chapter on treating hypertension illustrates this concept nicely; it is a pleasure to read and a vast improvement over the pdr or drug company ads. so too is the chapter on principles of antimicrobial therapy. given the large number of authors, some chapters are easier to read than others, but none can be faulted for lack of well-organized and referenced information. comparison of the current edition with the fifth edition of only 30 years ago provides an interesting insight into changing times. then, the great louis weinstein personally wrote all the chapters on antimicrobial agents. in the current edition, five experienced and specialized physicians are required for that task.