Volume 2 of the 3rd edition of Patty's industrial hygiene and toxicology, also edited by the Claytons, will deal with toxicology and is to be in three parts. Volume 1 [Abstr. Hyg. 1980, 55, abstr. 25] had 27 chapters by different authors but Volume 2A has only 11 chapters. The first of these chapters, by J. A. ZAPP (p. 1467), is headed Industrial toxicology: retrospect and prospect; the other c…