This pre-dated appointment book has pages for 52 weeks, opens to 17" w. x 11" h. (to display full week) or 8-1/2" w. x 11" h. (folded to display a half week) and has three 10 or 15-minute interval columns on each page. Book has a heavyweight cover, is printed in black ink on 32 lb. white erasable ledger stock and spiral bound to open flat.