Each volume in this series contains 48 sheets with drawingsprinted on professional drawing paper in very light grey lines,encouraging you to trace and vary and to add colour.The images are a mix of detailed drawings and basic templatesthat leave plenty of space for your own creativity.The 180 g/m2 paper is acid-free, lightfast and age-resistant. Itis suitable for most colouring techniques, including pencil, crayon,marker, ink and water colour.