SMP 16–19 Mathematics: the normal distribution, Pp 96. £4.25. 1992. ISBN 0-521-40890-3. Unit Guide, Pp 22. £4.95. 1992. ISBN 0-521-4088-4. Probability, Pp 156. £3.95. 1991. ISBN 0-521-42645-6. Unit Guide, Pp 48. £4.75. 1991. ISBN 0-521-42656-1. (Cambridge University Press) - Volume 77 Issue 479