paths of darkness series #1: (tsr, inc. hardcover 1998);
#2: "the spine of the world" (1999), q.v.
#3: "servant of the shard" (2000), q.v.
#4: "sea of swords" (2001), q.v.
#1-4 omnibus: "paths of darkness" (2004), q.v.
#3 later (6/2005) accounted "the sellswords" series #1, and omitted from later incarnations of the retitled "paths of darkness" series omnibus. (this comment is from another edition of this book)