Dual Ruled Composition Book, Dark Gray Marble, 1/4" Grid & 3/8" Wide Ruled, 9-3/4" x 7-1/2", 100 Sheets, Pack of 6The Pacon Dual Ruled Composition Books feature two alternating ruling styles. The right hand page offers a 3 8" wide ruling for traditional note taking and the left hand page features a 1 4" grid ruling to draw coordinating graphs, illustrations and interpretations. Note taking in this manner engages both hemispheres of the brain. These durable, hard cover, one subject books feature a Dark Gray cover with White paper on the inside. Measures 9. 75" x