Biocatalysis in non‐conventional media. Edited by J. Tramper, M. H. Vermuë, H. H. Beeftink & U. von Stockar, Elsevier Science Publishers, Amsterdam, 1992, xvi + 764 pp. price US$ 290.50, Dfl 465.00, £169.09. ISBN 0‐444‐89046‐7