If you are personal or a author, who want to have a book printed, here are some tips for your reference: 1.Choose the best size of your book Generally the size is 4.25''x 7'' 5.5''x8.5'' 6''x9'' and 8.5''x11'', which we think is the most economical size for printings, according to our working experience. 2.Choose the paper stock for the cover and text The cover we usually use the 300gsm or above, with gloss lamination or matte lamination, spot UV, embossing for the protections Text: 80gsm, 105gsm, 128gsm, 157gsm gloss art paper, matte paper, and wood free paper for the text, according to the context of the book 3.Choose the binding for the book You can use perfect binding, coil binding, sewing binding, hardcover binding and wiro binding for the book 4.Choose the binding for the book An ISBN is a unique number to identify a book. If you want a book that sells in the market, you would have an ISBN code...