Unlocking the Meaning of Lost: An Unauthorized Guide is a book by Lynnette Porter and David Lavery that primarily provides a series of essays and analyses of Lost, as well as appendices that cover the main characters, character connections, characters names, an episode summary (with airdates, director, and writer), and a list of nominations and awards. The first edition covered Seasons 1-2, and was 288 pages long. An updated edition also covering Season 3 was published in 2007 and was 344 pages long. The author Lynnette Porter is a contributor at The LOST Wikia.(p. 249, 2nd ed.)