Book excerpt: Who doesn't love to color? As an adult, now that you can stay in the lines, you only need to think about what color to use! Rockport Publishers presents a series of grown-up coloring books for art and design lovers. Just Add Color: Mid-Century Modern Mania includes 30 original designs from artist and illustrator Jenn Ski. Each book contains 64 perforated pages to make it easy to share, frame and hang your artwork. You'll be inspired by the sumptuous artwork in this book, and the use of color is endless. Relax, enjoy your creativity and Just Add Color.