Warhammer - Headtaker by David Guymer

Warlord Queek Headtaker is unlike other skaven, a fearless warrior, a general who leads from the front and the grim victor of many great battles. When King Kazador begins to gather an army at Karak Azul it falls to Queek to lead a surprise attack on the hold, but even one as cunning as he cannot resist the chance to face such a renowned hero of the dwarfs in single combat. With old enemies moving against him on both sides of the conflict, he musters his stormvermin for war...