Dual Notebook Graph & Line 8.5x11 inch 100 pages: Book Half Lined and Half Graph 5x5 on Same page, Coordinate, grid, squared, math paper, Diary Journal Organizer to get creative Dual Notebook Graph & Line 8.5x11 inch 100 pages: Book Half Lined and Half Graph 5x5 on Same page, Coordinate, grid, squared, math paper, Diary Journal Organizer to get creative Paperback