The One Color ARTS book is the unique coloring book you've ever tried. While coloring closed elements of different sizes with just ONE COLOR of pen, pencil or marker, you get 25 amazing art-works with lovely animals. And you can also try to use more than one color for a surprising result. This therapy is a great alternative to a mediation and at the same time, you train your brain: coloring stimulates those parts of a brain which increase concentration and attention. This is the perfect book to take on the go as it is of the letter-size format and lightweight. Relax with just ONE COLOR! The One Color Relaxation series includes these coloring books: Lines & DotsLINES & DOTS: AnimalsOne Color LINES: AnimalsOne Color DOTS: AnimalsOne Color ARTSOne Color MANDALAANIMAL STENCILS One ColorART ANIMAL STENCILS One Color Relaxation3D MANDALA One Color RelaxationOne Color ARTS: Birds & Flowers