From the creators of Make & Craft Magazine comes the Maker"s Notebook. Put your own ideas, diagrams, calculations & notes down in these 150 pages of engineering graph paper. We"ve also included 20 bonus pages of reference material, from useful stuff like electronics symbols, resistor codes, weights and measures, basic conversions and more, to really useful stuff like the amount of caffeine in different caffeinated beverages and how to say "Hello, World!" in various computer languages. The covers of this hardcover book are printed in cyan "Maker" blue with a white grid debossed front and back. Grab one today!