Mathematical biology - the use of mathematical ideas andmodels in the biosciences - is a fast growing, very excitingand increasingly important inderdisciplinary field. Thistextbook is an account of some of the major techniques andmodels used and of some genuine practical applications drawnfrom current areas of research interest in, for example,population ecology, developmental biology, physiology,epidemiology and evolution. It provides the reader with athorough background, sufficient to start genuineinterdisciplinary collaborative reserach with biomedicalscientists.