First published in the UK by Black Library in August 2014 in both Soft Cover and Hard Cover.
Also, released as an eBook by Black Library.
Prologue of the book :
Mannfred von Carstein is scrying events of the world and seems to get also picture of Gotrek & Felix. It mentions the one eyed, mad, has a crest, an axe and human companion. Also, he slays a beastman. It is a direct mention of the duo.
In chapter 3, sub chapter Vargravia, Sylvania :
When thinking about Kemmler and his return at Castle Reikguard he learns that he was nearly killed from a Dwarf Axe(this is a direct mention from Zombieslayer).
Notes :
Cover is NOT Gotrek & Felix so the artist is not mentioned.
