Fever Pitch (2003) by Christopher Jones, Stuart M Kaminsky and Barbara Schulz
Pain Without Tears (2004) by C J Henderson
Kolchak the Night Stalker, Volume 1 (2004) by Joe Gentile, Stuart M Kaminsky and Jeff Rice
The Night Stalker Chronicles (2005) by Elaine Bergstrom, Max Allan Collins, Peter David, Mark Dawidziak, P N Elrod, Ed Gorman, C J Henderson, Stuart M Kaminsky, Brett Matthews and Robert E Weinberg
The Night Stalker Casebook (2006) by Pierce Askegren, Mike Baron, Rachel Caine, Mark Dawidziak, Tom DeFalco, P N Elrod, John Everson, Joe Gentile, Christopher Golden, Elizabeth Massie, John Ostrander, Gary Phillips, Robert J Randisi, James Reasoner and Richard Dean Starr
Terror Within (2006) by C J Henderson
A Black & Evil Truth (2007) by C J Henderson
The Lovecraftian Horror (2007) by C J Henderson