Dogs coloring book for adults. Now you get a chance to color and bring to life your own rendition of the amazing dog in this amazing adult coloring book by Omar Johnson entitled Dogs Adult Coloring Book Vol 1. Dogs Adult Coloring Book Vol 1 features 60 beautiful dog designs with intricate patterns. The dogs in this coloring book made especially for grownups come in all shapes, sizes and personalities waiting for you to unleash your inner creativity.