Pearson Edexcel AS and A level Mathematics Pure Mathematics Year 1/AS Textbook + e-book Par Greg Attwood, Jack Barraclough, Ian Bettison, Alistair Macpherson, Bronwen Moran, Su Nicholson, Keith Pledger, Harry Smith, Geoff Staley, Robert Ward-Penny, Dave Wilkins, Diane Oliver, Joe Petran
