The "Lunar: Silver Star Harmony Official Licensed Prima Game Guide" is a trade paperback book published by Prima Games in 2009. Written by Howard Grossman, this 224-page guide is in English and caters to fans of anime and role-playing games, specifically focusing on the topic of video games. This guide provides detailed information and strategies for players of the Lunar: Silver Star Harmony game, making it a valuable resource for those looking to enhance their gaming experience.