trade paperback : Often used to indicate any paperback book that is somewhat larger than a mass-market paperback.

title page : A page where the title of the book, the author's name and publication information usually appear.

4to : Or quarto. A term used generally to describe the approximate size of a book, a book that is about 10" to 12" tall and roughly squarish in shape. The term is based on the size of paper traditionally used by book printers which has been folded and cut into 16 pages.