At first, this book provides you the basic knowledge of leather and leather crafting. For advanced crafter, this book studies 30+ luxury brands and gives you 5,300 quality photos of bags. It is about 420 MB of photos. There are all bag types: All-in-one Bag, Backpack, Briefcase, Cross Body Bag, Duffel Bag, Gym Bag, Hobo Bag, Holdall Bag, Laptop Bag, Luggage, Messenger Bag, Satchel, Shoulder Bag, and Tote Bag. And they are from 32 brands: Alexander McQueen, Balenciaga, Boss, Bottega Veneta, Brook Brothers, Burberry, Christian Dior, Coach, Dolce & Gabbana, DSquared2, Armani, Zegna, Fendi, Gucci, Hermes, John Varvatos, Longchamp, Louis Vuitton, Luca Chiara, M.R.K.T, Marc Jacobs, Michael Kors, Mulberry, Paul Smith, Pineider, Prada, Ralph Lauren, Salvatore Ferragamo, Tod’s, Tom Ford, Valentino Garavani, and Yves Saint Laurent.