The evolution of alternative mating tactics : concepts and questions / Michael Taborsky, Rui F. Oliveira and H. Jane Brockmann -- Alternative reproductive tactics and the evolution of alternative allocation phenotypes / H. Jane Brockmann and Michael Taborsky -- Phylogenetic analysis of alternative reproductive tactics : problems and possibilities / Victor C. Almada and Joana I. Robalo -- Modeling alternative mating tactics as dynamic games / Jeffrey R. Lucas and Richard D. Howard -- The roles of genes and the environment in the expression and evolution of alternative tactics / Douglas J. Emlen -- Neuroendocrine mechanisms of alternative reproductive tactics : the chemical language of reproductive and social plasticity / Andrew H. Bass and Paul M. Forlano -- Hormones and alternative reproductive tactics in vertebrates / Rui F. Oliveira, Adelino V.M. Canario and Albert F.H. Ros -- Alternative reproductive tactics in insects / H. Jane Brockmann -- The expression of crustacean mating strategies / Stephen M. Shuster -- Alternative reproductive tactics in fish / Michael Taborsky -- Alternative reproductive tactics in amphibians / Kelly R. Zamudio and Lauren M. Chan -- Alternative reproductive tactics in reptiles / Ryan Calsbeek and Barry Sinervo -- Alternative reproductive tactics in birds / Oliver Krüger -- Alternative reproductive tactics in nonprimate male mammals / Jerry O. Wolff -- Alternative reproductive tactics in primates / Joanna M. Setchell -- Communication and the evolution of alternative reproductive tactics / David Gonçalves, Rui F. Oliveira and Peter K. McGregor -- Alternative mating tactics and mate choice for good genes or good care / Brian Neff -- Conflict between the sexes and alternative reproductive tactics within a sex / Suzanne H. Alonzo -- Cooperative breeding as an alternative reproductive tactic / Walter D. Koenig and Janis L. Dickinson -- Integrating mechanisms and function : prospects for future research / H. Jane Brockmann, Rui Oliveira and Michael Taborsky