This for the de Kruif market, is a story of the pathologist and his laboratory, the ""doctors' doctor"". New terrain, medical and literary medical, enlivening and enlightening reading. German writes freely and colloquially of his job as ""detective of the medical profession"", stalling death, identifying death, in its manifold manifestations. Chemistry, bacteriology, toxicology -- tests, experiments, anecdotes, information in new fields of medical science, fields wherin lie the surest checkmate to disease. For the insatiable popular medical market.