"Trying to color Africa", a coloring book by flashmakeit with images accordingly depicting scenes that are relating to Africa.  This book was made using Adobe Photoshop and then submitting to  Kindle Direct Publishing which is a platform that you can use to self publish a book free and it will  be listed on Amazon  kdp.amazon.com

You set the price and earn the money.  https://www.amazon.com/Trying-color-Africa-flashmakeit/dp/1731494874/ref=sr_1_1?ie=UTF8&qid=1544564462&sr=8-1&keywords=flashmakeit

If you write a book let me know.