Durable hard cover provides increased writing stability. Twin-wire binding allows book to lie flat when open. Includes self-adhesive tabs to customize index, cover and spine. Microperforated pages. Ruled with space for date at top. Double-sided pocket. Pocket-Sized Indicator: No; Book-Binding Type: Wire-O; Book-Binding Details: Twin-Wire: Hard Cover; Book-Binding Edge: Side.