Photographs of seven-year-old Ben in Mousehole harbour in 1942 and Betty outside the Fish Store in 1940 courtesy of Ben John.
The harbour in 1927 and Mousehole in 1927 copyright © The Frith Collection.
All other photographs are by Chris Terry.
Line drawings on pages i, 36, 132, 166, 174, 192, 210 and 342 are by Henry John.