Book excerpt: DT These highly successful revision guides have been brought right up-to-date for the new A Level specifications introduced in September 2000.DT Oxford Revision Guides are highly effective for both individual revision and classroom summary work. The unique visual format makes the key concepts and processes, and the links between them, easier to memorize.DT Students will save valuable revision time by using these notes instead of condensing their own.DT In fact, many students are choosing to buy their own copies so that they can colour code or highlight them as they might do with their own revision notes.