Book excerpt: One of the most rugged expanses in the continental U.S., the coast of northern California and Oregon saw frequent shipping disasters in the 19th century, before Congress ordered the construction of lighthouses on such dangerous promontories as Heceta Head, Cape Mendocino and a seaward-trending pile of rocks called St. George Reef. The brave, resourceful engineer who directed the Tillamook Rock lighthouse construction, Alexander Ballantyne, was later engaged for the St. George job, and it's this story that author Powers (Treasure Ship) chronicles here. Without any maps to illustrate it, however, readers will need an atlas to follow the movement of men and ships up and down the coast. Later chapters describing lighthouse life prove less problematic; lighthouse keepers were fascinating, courageous characters (and included a good number of women) who not only kept lights burning and fog horns sounding, but also risked life and limb to rescue people stranded in torrential weather.