Ha colaborado con
- Brian Western — en GCSE Mathematics Edexcel 2010: Spec A Higher Student Book (GCSE Maths Edexcel 2010)
- Gareth Cole — en GCSE Mathematics Edexcel 2010: Spec A Higher Student Book (GCSE Maths Edexcel 2010)
- Gillian Dyer — en GCSE Mathematics Edexcel 2010: Spec A Higher Student Book (GCSE Maths Edexcel 2010)
- Graham Cumming — en GCSE Mathematics Edexcel 2010: Spec A Higher Student Book (GCSE Maths Edexcel 2010)
- Graham Newman — en GCSE Mathematics Edexcel 2010: Spec A Higher Student Book (GCSE Maths Edexcel 2010)
- Jean Linsky — en GCSE Mathematics Edexcel 2010: Spec A Higher Student Book (GCSE Maths Edexcel 2010)
- Joan Knott — en GCSE Mathematics Edexcel 2010: Spec A Higher Student Book (GCSE Maths Edexcel 2010)
- Joe Petran — en GCSE Mathematics Edexcel 2010: Spec A Higher Student Book (GCSE Maths Edexcel 2010)
- Julie Bolter — en GCSE Mathematics Edexcel 2010: Spec A Higher Student Book (GCSE Maths Edexcel 2010)
- Karen Hughes — en GCSE Mathematics Edexcel 2010: Spec A Higher Student Book (GCSE Maths Edexcel 2010)
- Keith Pledger — en GCSE Mathematics Edexcel 2010: Spec A Higher Student Book (GCSE Maths Edexcel 2010)
- Kevin Tanner — en GCSE Mathematics Edexcel 2010: Spec A Higher Student Book (GCSE Maths Edexcel 2010)
- Michael Flowers — en GCSE Mathematics Edexcel 2010: Spec A Higher Student Book (GCSE Maths Edexcel 2010)
- Peter Jolly — en GCSE Mathematics Edexcel 2010: Spec A Higher Student Book (GCSE Maths Edexcel 2010)
- Rob Summerson — en GCSE Mathematics Edexcel 2010: Spec A Higher Student Book (GCSE Maths Edexcel 2010)