Cardboard Book Binding : 6 Steps (with Pictures) - Instructables
Cardboard Book Case Mockup - Mockup World
The Making Of: A Cardboard Covered Journal - YouTube
Organizing Books with a DIY Cardboard Book Case
AKAR Book Wrap Mailer (302x215 + 80mm) A4 Postal Boxes for Posting Packaging & Secured Shipping | Protective Corrugated Cardboard Mailer cover from the edges | Perfect for Books, Catalog, Diary (10) :
I made a book cover out of a cardboard box! - YouTube