Joe Ryan lives in Halifax, Canada.
Gary the Time-Travelling Goat
2 authors - Paperback
£8.10 was £9.00
Magic and Antimagic Graphs
4 authors - Paperback
£107.99 was £119.99
The Teacher's Decisions
Joe Ryan - Paperback
£12.14 was £13.49
Tainted Waters
£11.69 was £12.99
The Teacher's Solution
£12.10 was £13.44
Heavyweight Boxing in the 1970s
£22.49 was £24.99
Combinatorial Algorithms
3 contributors - Paperback
£40.49 was £44.99
