' … this excellent book provides an up-to-date and critical review of the models and data relating to sex ratios. … well structured and demonstrated that a multi-authored book can be cohesive.' TRENDS in Ecology and Evolution
'… clearly structured, instructive, generously brimming with examples and contains useful, concise chapter summaries. Evolutionary biologists will find it not only useful but also accessible and engaging.' Kate Oddie, Animal Behaviour
'Hardy has done an excellent job in editing a book that conveys the continuing excitement in sex ratio research while still, to paraphrase Darwin, leaving some problems for future solution.' Science
'… an invaluable manual for any researcher in this field.' Louise Rowe, British Ornithologists' Union
'Hardy has done an excellent job in editing a book that conveys the continuing excitement in sex ratio research while still, to paraphrase Darwin, leaving some problems for future solution.' Science
'… an excellent volume.' Ethnology
'I would recommend anyone interested in the use or evolution of sex ratios theory to read this book. Every academic library should have a copy on their shelves.' Biologist