R. Porkess

The Voyage of the Spaceship Fireball (Playreaders)

1987

The naughtiest boy in theworld

1986

The HarperCollins dictionary of statistics

1991

Test papers in mathematics

1983

Never Trust a Robot

1986

Mathematics

1982

Mathematics: Supplement, Including Coursework, Investigations and Finance

1987

Mathematics Study and Revision

1982

Datalog

1987

Datalog 2

1985

BBC micro data log

1984