In "What are you laughing at?," Brad Schreiber has written an accessible and entertaining introduction to the world of comedy writing. From the nature of humor and the principles of comedic structure through the various forms of comedy writing, he gets to the very heart of what makes modern readers and film-goers laugh - and why. This is an essential guide for any writer wanting to master the art of comedy writing, with vital information on everything from the process of screenwriting, generating ideas, the author's voice, story, character and comedic dialogue to the importance of subtext, satire, parody, vulgarity and bad taste. It is a practical, informative introduction to the business of comedy writing. It includes Foreword by Christopher Vogler, author of "The Writer's Journey". Eleven of the Top 50 highest-grossing movies in US History have been comedies.