Book excerpt: Director, producer and screenwriter Joss Whedon is a creative force in film, television, comic books and a host of other media. This book provides an authoritative survey of all of Whedon's work, ranging from his earliest scriptwriting on Roseanne, through his many movie and TV undertakings--Toy Story, Buffy the Vampire Slayer, Angel, Firefly/Serenity, Dr. Horrible, The Cabin in the Woods, and Agents of S.H.I.E.L.D.--to his forays into the Marvel Cinematic Universe. The book covers both the original texts of the Whedonverse and the many secondary works focusing on Whedon's projects, including about 2000 books, essays, articles, documentaries and dissertations.