Star Wars Year by Year: A Visual Chronicle is a reference book released by Dorling Kindersley on August 16, 2010. It examines the history of the Star Wars saga over more than the last three decades. It is fully illustrated and covers everything from the feature films, to collectibles, to novels to the most recent incarnation in The Clone Wars. All the information contained in this massive volume has been researched and compiled by well known writers Ryder Windham, Daniel Wallace, Gus Lopez and Pablo Hidalgo. The book was later rereleased in an updated format.