Sit back and relax with Adult Coloring Books: Patterns & Designs. You will be surrounded by a calming world of doodles, zentangles, patterns, and more. 50 designs of different detail and complexity will keep you entertained for hours. This coloring book for grown ups is great for crayons, markers, colored pencils, and fine tip pens. The beautiful pen and ink illustrations are waiting for imagination and color! Adult Coloring Books: Patterns & Designs can be appreciated by all ages. Relax and enjoy! Note: This ebook is intended to be printed out and colored. A link to download a printable PDF is included