Sketching is a vital artistic skill and painters of all standards need to be able to sketch. In this book Alwyn Crawshaw looks at all aspects of sketching on location, explaining how to use sketches either as works of art in their own right or as reference for later drawings or paintings. Contents include: advice on sketching materials and equipment using pencil, charcoal, conté pencil, pen & ink and watercolour guidance on perspective help with design and composition sketching in colour In addition, there are numerous practical exercises and several step-by-step demonstrations to encourage readers to put their new skills into practice.