 He produced numerous maps for Cambridge University Press, and had a long association with The Folio Society for whose books he produced many works, including a double page map of the spread of the Great Fire of London which was included in their volume on that subject published in 2003.He prepared the maps for "The Oxford Illustrated History of Britain" (1984) and with his wife Marjorie for volumes of Nikolaus Pevsner's "The Buildings of England".In 2012, Aurum Press published "Mile by mile London to Paris" in which the route between the cities was mapped out by Piggott with a text by Matt Thompson, assuming a journey by the Golden Arrow, when it existed, and the Eurostar more recently.