Magdalen Bear

Tarquin Number Challenges

2003

Walking Automata

Walking Automata

2003

Automata Too

2000

More Mathematical Curiosities

2000

Paper Polyhedra in Colour

1999

Tarquin Star Globe

1997

The sun, moon & tides

1997

Sundials and Timedials

1987

Tarquin Globe

1987