Adult Coloring Books: Fantasy Fun SPIRAL BINDING 48 Realistic fun fantasy images in grayscale for Adults to Color THIS IS A GRAYSCALE ADULT COLORING BOOK. Grayscale is very different than standard coloring books. It is designed for people who want to create realistic colored images. We have included coloring tips and instructions in the back of the book for beginning grayscale colorists. The book is 8.5 x 11 inches. Images are printed on one side of the page.