Rockdetector Extreme Metal series
Publisher Series 4
 | Rockdetector: A - Z of Death Metal | Paperback |
 | Rockdetector: A - Z of Thrash Metal | Paperback + CD |
 | Rockdetector: A - Z of Doom, Gothic & Stoner Metal | Paperback + CD |
 | Rockdetector: A - Z of Power Metal | Paperback + CD |