Perfect binding is often used for a variety of printed pieces

I have read a articles about book printing:
Perfect binding is often used for a variety of printed pieces from perfect bound books and booklets to magazines, catalogs, and higher education viewbooks. Perfect bound books and color catalog printing services. Image Printing provide the perfect printing solution when you need an event program, a manual or a sales catalog. With product pictures, design, charts, and illustrations, Image Printing make high impact catalogs that can easily catch the attention of your customers and keep them interested in your products and services. Perfect Bound Books: A great way to showacase a year's worth of accomplishments at any company, university, college, or other type of organization is by creating a nice book using perfect binding. Use it as a way to give back to donors or as an incentive for doing business with your company or attending your university.
for more http://www.swtorsell.com/articles/read/Uses-of-Perfect-Binding/