The first of these five narratives of adventure on the high seas is the account by Captain Charles Bernard, whose ship crew left him marooned on New Island in the Falklands. It is an enthralling story of survival (with a rare happy ending) -- a welcome addition to the history of these windswept islands. The other tales include voyages in the South Pacific and Canton, captivity in Tonga and exploration of the Alaskan coast. Selected and edited by United States Navy Captain Elliot Snow.  (ANT57, $11.95)