Josh Reynolds
The Serpent Queen
Gotrek & Felix (series)
In the sun-bleached deserts of what once the land of Nehekhara, Gotrek and Felix are captured by the undead Queen Khalida and forced to aid her against her enemies in a war that will take them into the heart of the Land of the Dead.
Warhammer
novel

Also in:
Gotrek And Felix: the Fifth Omnibus
Gotrek & Felix: the Complete Journey