Revision Express A-level Study Guides - covering AS and A2 material in one book. A new approach to exam success, making your revision fast and effective. What A-level Examiners say about "Revision Express Study Guides." 'The Style is succinct and the focus is on exam success'. '...the material does provide that it promises - a revision guide, a quick whiz through the material needed for the exam.' 'It's amazing what you can get into two pages!'