PATTY'S has become one of Wiley's flagship publications in occupational health and safety, and the toxicology volumes give proof to the growth and development of the field of toxicology. What began as a single volume devoted to the field with the first edition (1948) of Patty's has now mushroomed into eight. This Fifth Edition will permit us to bring about many badly needed changes to the format and organization of the toxicology volumes. In addition...