Graham McNeill
The Legend of Sigmar

From a humble tribesman to the founder of a great empire to God-King: the journey of Sigmar begins here in an epic trilogy of award-winning novels.
Warhammer
omnibus

It contains:
Let the Great Axe Fall
Gods of Flesh And Blood
Heldenhammer
God King
Sword Guardian
Empire

Also in:
Legends of the World That Was