Full-featured bound books are Smyth sewn for durability and a flatter writing surface at binding margin. Premium white, acid-free paper and permanent, moisture-resistant inks help preserve recorded information. Numbered pages. Undated for ultimate flexibility. Includes Table of Contents page. 15 1/8 x 12 7/8 Book Size. Pages Per Book: 150; Book Size (W x H): 15.13 x 12.88; Sheet Size (W x H): 12.5 x 14.94; Ruling: 12 Col.