Inside this gorgeous coloring book for grownups are 30 ready-to-color art activities that explore the beautiful natural textures of the world around us. Each illustration is so richly detailed it might take you hours to complete just one page. But you don't need to have the skills of an artist to personalize these intricate drawings. Talented artist Valentina Harper provides easy-to-follow tips on her distinctive patterning techniques. And as an added...