Nugae Venales means "jokes for sale" in Latin. It was the title of a 17th-century collection of jokes and paradoxes by Richard Head. This book was inspired by that one but is not entirely humorous. Many of the brief essays and poems are meant to be taken seriously. There is a complex relationship between pain and humor. Some say humor is merely a defense mechanism; I disagree. Some also suspect comedians are just angry. Some seem to be, but...