John French
Ahriman: the Omnibus
Ahriman (series)
Exiled from the Thousand Sons, Ahriman the sorcerer embarks on an epic quest with a single goal: undoing his greatest failure and saving his Legion.
Warhammer 40k
omnibus

It contains:
Ahriman: Sorcerer
Ahriman: Exile
Ahriman: Unchanged