This is a coloring book done by indie cartoonist name Andrew Lewis.
Another book he done is " The Optimistic Sloth." https:
//www.amazon.com/Opimistic-Sloth-Mr-Andrew-Lewis/dp/197418613X/ref=sr_1_1?ie=UTF8&qid=1511051681&sr=8-1&keywords=The+Opimistic+Sloth
