A coloring book for adults? Of course! Adults need to color, too, because it's a brain boosting exercise that can be done any time and any where. You see, you should take care of your brain as much as you do to your body. Fight cognitive decline and the loss of interest by working on a page of this coloring book everyday! | An Exercise Coloring Book by Activibooks Activibooks, Paperback | Indigo Chapters