10 1 50 Gareth Williams Primary Author Richard Fosbery Additional Author Janet Adams Primary Author Lawrie Ryan Editor mixed material 9781408500170 United Kingdom Nelson Thornes 2009 bio.jpg.jpg Cambridge International AS and A Level Chemistry Lawrie Ryan Additional Author Roger Norris Additional Author Mike Wooster Primary Author mixed material 9781107677708 Cambridge Cambridge University Press 2014 61ss6lNMAPL._SX350_BO1%2C204%2C203%2C200_.jpg.jpg Cambridge International AS and A Level Chemistry Lawrie Ryan Primary Author Roger Norris Primary Author mixed material 9781107638457 Dubai Cambridge University Press 2014 CHEMIS4_001.jpg.jpg Lawrie Ryan Additional Author Jim Breithaupt Primary Author Viv Newman Primary Author Darren Forbes Primary Author mixed material 9780198399261 india Oxford University Press 2015 Lawrie Ryan Additional Author Roger Norris Primary Author mixed material 9780198399230 China Oxford University Press 2015 CHEMISTRYYYY_001.jpg.jpg Gareth Williams Primary Author Richard Fosbery Primary Author Lawrie Ryan Additional Author mixed material 9780198399209 China Oxford University Press 2015 bioooo_001.jpg.jpg Cambridge International AS and A Level Lawrie Ryan Additional Author Rogger Noris Primary Author David Acaster Additional Author mixed material 9780521126618 United Kingdom Cambridge University Press 2011 chem_Cambridge_International_AS_and_A_Level.png.png Lawrie Ryan Editor Jim Breithaupt Primary Author Viv Newman Additional Author Darren Forbes Additional Author mixed material 9780198355236 Britain Oxford University Press 2015 9780198355236.jpg.jpg Lawrie Ryan Editor Roger Norris Primary Author mixed material 9780198355199 China Oxford University Press 2015 9780198355199.jpg.jpg Gareth Williams Primary Author Richard Fosbery Additional Author Lawrie Ryan Editor mixed material 9780198355168 Britain Oxford University Press 2015 51hqXH-uu-L.jpg.jpg