Am I Just a Shadow You Drew?

When a routine magical event backfires Lance, the Necromancer finds himself in strange world where he discovers he's only a figment of an author's mind.
Also in this audio book The Haunting of the Necromancer, a hilarious comedy of a dysfunctional family. Will Lance ever lose the ghost who made his living room his home.
Some more good short stories from series in book too.