The many soft cover books that you see on the shelves at bookstores are good examples of perfect bound books. They have a square, printed spine and the cover is usually made from paper or cardstock that is heavier than the interior pages. Plus, the cover is often clear coated to provide durability and improve appearance. In addition to authors, businesses and organizations use the perfect binding method on a variety of printing projects because of its professional appearance and relatively low cost. Perfect binding is commonly used for annual and corporate reports, manuals, catalogues and thicker product brochures.
The cover can be of diffirent stock than the inners Covers can be laminated, embossed, varnished or spot varnished to the front ONLY Perfect bound books should have NO LESS than 90-100 pages inner 300 pages plus should be quoted as thread sewn and perfect bound.