Numbered sets: First sheet is white and second is canary, perforated to tear out. Carbonless. Pressboard covers. WireboundFirst sheet quad-ruled, second sheet unruled. 50 sets per book. Book/Pad Binding Type: Wirebound Book/Pad Binding Edge: Side Book/Pad Sheet Size: 11 x 9 Book/Pad Subjects/Sections: 1.