This double pack includes Celtic Knotwork Coloring Book Volume 1 and Celtic Knotwork Coloring Book Volume 2. So, that means that you get all of the Celtic knotwork designs from each of those volumes all in one coloring book. With 60 twisting, turning Celtic knotwork designs, colorists of all ages will delight in adding their own touch of color to each of the illustrations found in this coloring book. So, gather together your favorite art supplies and get ready for hours of fun as you color each of these intricate Celtic knotwork illustrations. The back of each coloring page has been left blank. That makes these illustrations perfect for displaying after you've finished coloring them in.