The immense Pacific Ocean, rife with islands and rimmed by huge continents, has been a liquid highway for trade and travel for centuries. Its peaceful name masks a fickle character though-serene and idyllic at times but also turbulent and merciless. . Marking the shores of this largest ocean with lights and buoys presented enormous challenges. The DeWire Guide to Lighthouses of Alaska, Hawai'i and Pacific Territories details that struggle and offers...