A valuable source for those interested with the naval and seafaring aspect of the withdrawal from Dunkirk, originally published in November 1940 it is an authentic account of the coasters and cargo steamers, yachts and motor cruisers, sailing barges and lifeboats, excursion paddle vessels, destroyers and sloops, even dinghies, that took their part day after day, night after night, and effected what experts at the time had considered impossible.