Perfect Bound: A paperback book where the title and author's name are printed on the spine. Your book must have 70-80 pages for text to appear on the spine.
Saddle stitch: A stapled booklet. Best for very thin books. Your page count should be divisible by 4. If it is not, the printer adds enough blank pages to the back of your book to make the page count divisible by 4.
PlastiCoil: A spiral bound book (like a spiral notebook). Recommended for books less than 1" thick, between 48 and 470 pages.
Dust Jacket Hardcover: A book bound in navy blue linen with a full-color dust jacket.
Casewrap Hardcover: Full-color, glossy cover; no dust jacket.