7Sketch, catalog, plot, thumbnail, dream, and develop with these three distinctive, colorful tablets--a companion to our bestselling Grids & Guides Notebook. Each pad in this new format features handy scientific resources--from precise measurements to Pythagoras's constant to the golden ratio--to spark creative thinking or aid in the design process. Whether used for list making, letter writing, imaginative doodling, or visualizing designs, this collection of portable graph-paper pads is an essential tool for right-brainers and left-brainers alike.