n nAll realistic vintage grayscale coloring books by Co Classical is inspired by authentic vintage images. n n nn n- Unique gift idea for family and friends for the holidays n- Big size 8.5 x 11 n- Coloring is great for relaxation n- Single sided pages n nn nclassical coloring books, vintage coloring books for adults, grayscale coloring books for adults, realistic coloring books for adults, greyscale coloring books for adults, easter coloring book for adults, easter adult coloring books n n nn n nn