Magdalen BearBooksTarquin Star GlobeTarquin GlobeCompound polyhedraPaper Polyhedra in ColourMathematical curiositiesMore Mathematical CuriositiesSundials and TimedialsThe sun, moon & tidesWalking AutomataAutomata TooDays, Months and YearsTarquin Number ChallengesCanadian daysAuthor data: Open Library