Speedball Art Products-Lettershop Calligraphy Kit. This workbook give the most complete introduction to the art of italic lettering. This one-of-a-kind resource combines step-by-step instruction, design inspiration and detachable practice pages for easy reference. This 11×8-1/2 inch package contains one instructional guide and workbook and three markers. Conforms to ASTM D 4236. Imported.