At the north end of British Columbia's great inland sea, the Inside Passage divides amongst a scatter of islands whose breathtaking beauty makes them one of the Northwest's most popular cruising destinations. Unofficially known as the Discovery Islands (named after the main passage through them), Read, Cortes, Sonora, Maurelle, Hardwicke, Stuart, Redonda and Thurlow Islands are sparsely populated today but bristled with life in earlier times. Tidal...