Book excerpt: The best-selling Wild Swimming Walks series visits the delights of Cornwall's coasts, estuaries, river and moors. Discover secret coves, sandy beaches, blue grottoes and moorland pools with 25 magical days out. * Swim in sheltered azure coves on the LIzard, * Find fairy pools and coral sands in Penwith, * Explore rugged cliffs and sea caves near Padstow, * Dive into mysterious pools on Bodmin moors, * Swoosh down with the currents of the Looe, * Glide under the willows in dappled valleys of the Fal, * Float in Daphne du Maurier's emerald estuaries in Fowey, * Swim among hidden harbours and ancient quays of Cotehele, * Follow in the footsteps of pirates and smugglers at Prussia Cove.