Hephaestus Books represents a new publishing paradigm, allowing disparate content sources to be curated into cohesive, relevant, and informative books. To date, this content has been curated from Wikipedia articles and images under Creative Commons licensing, although as Hephaestus Books continues to increase in scope and dimension, more licensed and public domain content is being added. We believe books such as this represent a new and exciting lexicon in the sharing of human knowledge. This particular book is a collaboration focused on Humor research.More info: Humor research is a multidisciplinary field which enters the domains of psychology, philosophy, linguistics, sociology, history and literature. More recently, computational humor, a subdomain of the computer science and artificial intelligence emerged, which uses computers to model humor.