KEVIN SENE is a scientist and writer and a Fellow of the Royal Geographical Society. A keen hillwalker and photographer, he lived in Cumbria for several years and once cycled the length of the coastline. His previous book The Mersey Estuary: A Travel Guide describes the Liverpool, Wirral and Cheshire shores of the Mersey and his book on UK tidal bores will be available soon. He blogs on coastal and estuary themes at www.meteowriter.com.