EASTWOOD, A. Cladistics: The Theory and Practice of Parsimony Analysis. 2nd Edition. I. J. Kitching, P. L. Forey, C. J. Humphries & D. M. Williams. Oxford: Oxford University Press. 1998. 228pp. ISBN 019 850139 0. £45 (hardback). ISBN 019 850138 2. £17.99 (paperback). Edinburgh J. Bot. 2000, 57 (1), 141-150. https://doi.org/10.1017/S096042860022009X.