Duward Shriver; Mark Weller; Tina Overton; Jonathan Rourke; Fraser Armstrong ©2014 | Sixth Edition ISBN-13: 9781429299060
Geoff Rayner-Canham; Tina Overton ©2014 | Sixth Edition ISBN-13: 9781464125577
Sapling Learning ©2012 | ISBN-13: 9781464112683
Geoff Rayner-Canham; Tina Overton ©2010 | Fifth Edition ISBN-13: 9781429218146
Duward Shriver; Peter Atkins ©2010 | Fifth Edition ISBN-13: 9781429218207