18 books in series

The Hollows

The Hollows is a 26-book series with 18 released primary works first released in 2004 with contributions by Kim Harrison.

The Turn
The Turn: The Hollows Begins with Death
Blood Work: An Original Hollows Graphic Novel
Blood Crime
Blutmagie
Dead Witch Walking
The Good, the Bad, and the Undead
Dates from Hell
Every Which Way But Dead
A Fistful of Charms
For a Few Demons More
The Outlaw Demon Wails
White Witch, Black Curse
Black Magic Sanction
Pale Demon
The Hollows Insider
A Perfect Blood
Into the Woods
Trouble on Reserve
Ever After
The Undead Pool
The Witch with No Name
Sudden Backtrack
American Demon
Million Dollar Demon
Trouble with the Cursed
Demons of Good and Evil
Demon's Bluff