Sketch, 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.