This book starts from three observations. First, the use of humour is a complex, puzzling, and idiosyncratically human form of behaviour (and hence is of scientific interest). Second, there is currently no theory of how humour works. Third, one useful step towards a theory of humour is to analyze humorous items in precise detail, in order to understand their mechanisms. The author begins by considering how to study jokes rigorously: the assumptions to make, the guidelines to follow and the pitfalls to avoid. A critique of other work on humour is also provided. This introduces some important...