Finding Serenity: Anti-heroes, Lost Shepherds and Space Hookers in Joss Whedon's Firefly is a set of 22 essays compiled by Jane Espenson. The book was released in April 2005 following the cancellation of the television show Firefly. Jane Espenson was a writer for the show and the book contains a series of essays that discuss the show from a variety of viewpoints, some scholarly, others with a comedic note. Most of the essays analyze what did and did not work in the show.