Overview: with Magnus Magnusson from the Museum of Army Transport, Beverley. Halfway through the 17th series, Mastermind reaches its 300th edition. Ian Sutton (accountant) Wines of Europe; Jane Mansergh (museum curator) The English Detective Story from 1794; Anthony Simpson (company director) Development of Nuclear Power; Ralph Fenton (househusband) Life and Career ofW.G. Grace