As a hardcore fan of the DIY process, when I couldn't find an adult coloring book as a gift for a friend that I would want to color, I decided to make my own. Â The illustrations are all free hand drawn on 9x12" white drawing paper with the awesome Pentel Energel pens in black. Â I wore out two in the making of this collection of drawings and am well on my way to emptying a third. None of the illustrations in the book were first sketched with pencil. Â I just take the pen to paper and go. There's no room...