Mandalas: THE INNER SPARKLE COLORING BOOK FOR ADULTS. Sparkle your inner with this relaxing, beautiful calming coloring books series for adults. This book contains 120 pages of drawings for you to color and make special, helping to promote concentration, calmness and attention to detail. Each design is printed on a single page with the reverse left blank, making it perfect whether you use pencils, pens or paints.