"Let Color Index turbo-charge your creativity! With over 1100 color combinations and formulas, it's guaranteed to help you solve design dilemmas and create more effective graphics for both print and the Web. From progressive colors to natural tones, Color Index makes choosing hues for any job easy! You'll start working with color in exciting new ways to create original, eye-catching designs that pop off the page. So go ahead. Explore and experiment with color. Now you've got everything you need, right in the palm of your hand." - barnes and noble it's great- i use it all the time, especially when doing graphic design projects. SO HELPFUL!