is a “how-to” guide focussing on commercially available enzymes and strains of microorganisms that are readily obtained from culture collections. The source of starting materials and reagents, hints, tips and safety advice (where appropriate) are given to ensure, as far as possible, that the procedures are reproducible. Comparisons to alternative methodology are given and relevant references to the primary literature are cited. Contents include: is an essential text offering validated biocatalyst methods for researchers and postgraduate students in industry and academia.