Marguerite Patten OBE, 94 year-old cookery writer & author of over 170 books talking about her new book 'Best British Dishes' at Hornchurch Library, Essex on 25 February 2010. Her book 'Cookery in Colour' first published in 1960 is the best-selling cookery book of all time with sales of over 2 million. - Job: 83121 Ref: HDR. - Non- exclusive. (Photo by Howard Denner/Photoshot/Getty Images)

Marguerite Patten OBE, 94 year-old cookery writer & author of over 170 books talking about her new book 'Best British Dishes' at Hornchurch Library, Essex on 25 February 2010. Her book 'Cookery in Colour' first published in 1960 is the best-selling cookery book of all time with sales of over 2 million. - Job: 83121 Ref: HDR. - Non- exclusive.  (Photo by Howard Denner/Photoshot/Getty Images)