*NEW* Digital files (PDF or JPEG) are now included with this purchase Access instructions are inside the book. (If you have previously purchased the book before this feature became available, please email colorspacebooks@gmail.com to get access code). The importance of play for adults has recently come into focus, and adult coloring books are sweeping the bestseller lists lately. This sort of play activity is found to stimulate creativity and release stress. Masters of Illustration contains a variety of beautiful public domain images from noted illustrators which have been carefully polished...