- Collins dictionary of statisticsRoger Porkess
- Cambridge International as and a Level Mathematics Pure MathematicsRoger Porkess
- Pure mathematics 1Val Hanrahan, Roger Porkess et al.
- Hodder mathematicsRoger Porkess, Catherine Berry et al.
- OCR Core Maths a and B (MEI)Bob Hartman, Heather Davis et al.
- Formula One Maths Euro Edition Pupil's Book C1Roger Porkess
- Hodder MathematicsRoger Porkess
- A2 pure mathematicsRoger Porkess, Peter Secker et al.
