Books with lists. Its been done before. But none will ensue madness and riots among head-banging music fans quite like The Merciless Book of Metal Lists ($15). Written for metal heads by metal heads, The Merciless Book of Metal Lists features debatable and opinionated lists of all things metal such as top favorites, best-selling metal albums, fashion faux pas, most unoriginal names, and even which metal album covers feature goats. Included are commentaries from notable metal personalities Eddie Trunk, Gary Holt from Exodus, and Scott Ian from Anthrax.