The author has been a pescetarian for 20 years. In this book he reflects on the reasons why he became a pescetarian by considering a range of reasons why one might want to become a vegetarian, a pescetarian or a vegan. The main themes covered are the belief that it is not right to eat animals, the belief that eating meat is bad for one's health, the belief that eating meat results in an increase in violence in human society, and the belief that eating animals is in principle acceptable but that industrialised agriculture is not acceptable.