Abeka book number 32739501. This book has been put into a 3 ring binder. The binder shows a little wear to the front and back, but the pages are completely unused and has no writing, looks like new. Page 49 there is a very tiny brown spot in the top half of the page. The workable pages are NOT in protective sleeves, but the back half the study part that are not workable have been put into protective sleeves.