This volume collects the work of Yanase Takayuki, one of the foremost mecha designers on the "Mobile Suit Gundam" series. It includes concept designs, break downs, and sketches of mechas from anime and video game series such as Gundam, Armored Core, Metal Gear Excelsius, Ghost in the Shell Arise, Disney's Fireball, and more. It also includes a "Hobby" section with mecha girls and weapons.