This double pack includes Beautiful Birds Coloring Book Volume 3 and Beautiful Birds Coloring Book Volume 4. So, that means that you get all of the bird illustrations from each of those volumes all in one coloring book. With 60 beautiful bird-filled pages, 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 delightful bird 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.