Preface. Introduction: Parasites, hosts, questions (C. Combes). The Habitat Template of Parasite Evolution. Parasite-host modeling meets reality: adaptive peaks and their ecological attributes (A. M. Kuris, K. D. Lafferty). Adaptative diversity, specialisation, habitat preference and parasites (T. de Meeus). Inside the vertebrate host: ecological strategies by parasites living in the third environment (M. V. K. Sukhdeo). Patterns and Processes in Parasite Diversity. Wormy world: comparative tests of theoretical hypotheses on parasite species richness (S. Morand). A geographical perspective of virulence (M. E. Hochberg, M. van Baalen). Host and Parasite Coevolution. Parent-to-offspring infection and the struggle for transmission (M. van Baalen). Evolution of host phenotype manipulation by parasites and its consequences (K. D. Lafferty, F. Thomas, R. Poulin). Life-history trade-offs and immune defenses (M.C. Rigby, Y. Moret). Human life history traits on a parasitic landscape (J.-F. Guegan, A. T. Teriokhin). Experimental evidence for rapid parasite adaptation and its consequences for the evolution of virulence (D. Ebert). Coevolution of parasite life cycles and host life-histories (J. C. Koella). Brood parasitism in birds: origin and co-evolution of parasitic reproductive strategy and host defence (G. Sorci, M. Robert). Evolutionary Consequences of Anthelminthic Drugs. Spatiotemporal infection dynamics and the evolution of drug resistance in nematode parasites of ruminants (S. J. Cornell, B.T. Grenfell). Evolution of nematode life histories: theory meets reality? (A. F. Read, A. W. Gemmill, A. Skorping). Index.