China best printed hardcover book publishing Product DescriptionHardcover book publishing: High quality hardcover book pulishingSize8.5×11"As per customer's requirementsMaterialCover:157g,200g,250g,300g art paper; PVC, PU leather,ClothText: 80g,105g,128g,157g coated, art or wood free paperGrey board: 2mm,2.5mm,3mm in..