The one you have listed as 1HC should be 1HC-B the description is ‘Previews Exclusive Edition’
The below is missing form the core
Title: Nocturnals: Collections
Issue: 1
Variant: HC - A
Description: Regular Edition
Barcode: NA
Cover Artist: Daniel Brereton
Publisher: Olympian Publishing
Release Date: Nov 2007
Country: USA
Format: Hardcover
Writer: Daniel Brereton
Artist: Daniel Brereton
Price: $29.95