Lourie, an intrepid adventurer with a flair for storytelling, enlivens his account of adventures in Punta Arenas, Ushuaia and the wilds of Tierra del Fuego with excellent maps and drawings, historical excerpts and his own color photographs. Geared for middle schoolers, he works in tales of Magellan, Darwin, Slocum and other explorers in the region.  (PAT66, $19.95)