Sea turtles, coral reef-dwelling fish, dolphins, and other marine creatures swim through these full-page pictures. colourists can achieve realistic effects and perfect shading with the help of lightly printed numbers that correspond to a simple colour key. Pages are perforated and printed on one side only for easy removal and display. Specially designed for experienced colourists, Sea Life colour by Number and other Creative Haven ® adult colouring books offer an escape to a world of inspiration and artistic fulfillment. Each title is also an effective and fun-filled way to relax and reduce stress.