- (2010) Wrote foreword for "The Climate Caper" by Garth Paltridge.
- (June 1999) "Eternity" tiling puzzle for the Ertl Company - Puzzle designer/inventor.
- (1997) Book: "European Monetary Union: opportunities and dangers". St. Andrews: University of St. Andrews, Department of Economics.
- (2006) Book: "Sudoku Xpert". London: Headline Publishing Group. ISBN 0-7553-1529-4
- (2006) Book: "Sudoku Xtreme". London: Headline Publishing Group. ISBN 0-7553-1530-8
- (July 28, 2007 - December 31, 2010) "Eternity II" edge-matching puzzle for TOMY UK Ltd. - Puzzle designer/inventor, publisher.
- (2005) Book: "Sudoku X". London: Headline Publishing Group. ISBN 0-7553-1501-4
- (July 2008) Article: "Climate Sensitivity Reconsidered". Forum on Physics and Society, American Physical Society.
- (1982) Book: "The Laker Story" (with Ivan Fallon). Christensen. ISBN 0-9508007-0-8
- (2005) Book: "Sudoku X-mas". London: Headline Publishing Group. ISBN 0-7553-1502-2
- (1987) Book: "The AIDS Report".
- (2006) Book: "Junior Sudoku X". London: Headline Publishing Group. ISBN 0-7553-1528-6
- (1986) Book: "Anglican Orders: null and void?". Family History Books, 1986.
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