DELUXE Double NA Book Cover for the Basic Text (6th Ed)& It Works, How and Why Books. This beautiful cover is made of a durable leather-like expanded vinyl and comes with a Medallion Holder, Heavy-duty Snap, Book marks, and a Pen Holder. (Medallion, books and Pen NOT Included) Book sizes: Basic Text = 6 1/4" x 9 1/4" x 1 1/8", It Works = 5 5/8" x 8 3/4"x 13/16". (Books not included) Also available in Blue, Red, Tan, Burgundy, Black, Green, Purple and Pink Made in the USA