The Sundering (anthology)
From Warhammer - The Old World - Lexicanum
It is part of the Warhammer Chronicles series.
It contains the following:
|Malekith, betrayer and usurper, architect of the great war that will forever divide the race of elves. Alith Anar, wrathful avenger whose spirit will forever haunt the traitorous druchii. Caledor, reluctant leader, the one elf who can hold back the darkness and restore peace to Ulthuan. Witch King, Shadow King and Phoenix King. Their deeds are legend. This is their story.
~ Black Library.