This Final Fantasy: The 4 Heroes of Light DS Strategy Guide is a must-have for fans of the game. It contains 240 pages of detailed information, including maps, walkthroughs, and tips for mastering the game. The guide was published in 2010 by DK Games, and authored by Bradygames Staff. The guide is in English, in a trade paperback format with dimensions of 10.8in x 8.5in x 0.3in, and weighs 19.2 oz. It is an instructor guide, and covers all aspects of the game. This is a great resource for anyone looking to enhance their gameplay experience.