Roy Purnell

Material World (Brain Waves S.)

By Alan Jones, Roy Purnell, Jones, Alan, Purnell, Roy

Science: Key Stage 3

By Alan Jones, Roy Purnell

Science: Key Stage 4

By Alan Jones, Roy Purnell, Barrie Richardson

Key Stage 3 Science Support Pack: Level 6-EP

By Alan V. Jones, Roy Purnell, Mike Clemmet, Colin Hughes