In 1983, the author argued convincingly in his book, The Piercebridge Formula, that contrary to academic opinion the Roman conquest of Britain was effected by water transportation and not by road.
Here are the results of twelve more years of fieldwork by Raymond Selkirk, ably assisted by an equally enthusiastic team of civil engineers, divers, diggers, fieldwalkers, artists, photographers and other experts. The outcome is vividly presented with the aid of many revealing photographs and supporting evidence from old maps and ancient/antiquarian texts.
On the trail of the legions will once more upset the academic 'applecart', but more than that, as it sets out to equip and encourage the reader to get out and discover more unrecorded remains of the Roman occupation, it is likely to keep the 'apples' rolling.