Helga Ballhaus

title	ISBN-13 (ISBN-10)	year of publica- tion	other author(s)
The Thirteenth Floor	978-O-7678-2162-9 (O-7678-2162-9)	1999	Josef Rusnak · Kelly Van Horn · Marco Weber · Michael Ballhaus · Daniel F. Galouye · Ravel Centeno-Rodriguez