"Liberation: The Unofficial and Unauthorised Guide to Blake's 7 by Alan Stevens" is a non-fiction book published by Telos Publishing, The Limited in 2003. The guide includes 250 pages of information about the popular TV series Blake's 7, with a focus on its characters, storyline, and behind-the-scenes details. It also features illustrations and is written in English, making it a must-have for fans of the show. The book measures 7.7 inches in length, 6.6 inches in width, and 0.6 inches in height, with a weight of 13.6 ounces, making it a convenient size for reading on the go.