'An important, inspiring book by someone that has encouraged million of people to experience the wonders and friendships of Britain's rivers, lakes and seas' --ROBERT MACFARLANE 'A treasured guide for anyone who wants to venture into rivers, estuaries, lakes and seas for a dip, a moonlit swim or a great adventure. I loved this book ' --LYNNE COX The must-have, beautifully illustrated guide to the booming nature-meets-wellbeing...