St. Martin's Books-Keep Calm And Color On. Color away the stress with this stunning book of relaxing designs that offer a therapeutic retreat into a world of beauty, inner peace, and relaxation. Each exquisite design allows you to fall deep into the calming experience of coloring, providing tranquility and ease that we so often miss in the hustle and bustle of our daily lives. Softcover, 128 pages. Published Year: 2015. ISBN 978-1-250-09333-2. Made in USA.