World Health Organisation, 2001. (£25.00.) ISBN 92 4 1545322 1.

This is not a book but a collection of seven tough laminated sheets contained in a robust card envelope. The sheets are printed on both sides and contain a combination of text and colour photomicrographs. As one would expect from a World Health Organisation publication the bench aids are for global consumption. Thus, the authors have made introductory and advisory comments regarding laboratory investigations that are pertinent to users both in the high technology laboratories of the Western World and also in the less well equipped developing countries. Of the total 14 sides, five contain largely text. The subjects include a summary of …