Veteran journalist Simon Winchester has, in recent years, taken to writing what might be called geological blockbusters. His method is to focus on a relatively contained event — the eruption of Krakatoa, say, or the San Francisco earthquake of 1906 — and envelop it in several layers of context, social, scientific, historical, political. Winchester’s technique gives him license to pursue tangents hither and yon, which are annoying and charming in equal measure.
The subject of his new book, “the S-shaped body of water covering 33 million square miles’’ otherwise known as the Atlantic Ocean, gives him an even wider latitude to explore the interaction between Earth’s physical geography and human civilization. The Atlantic has had a profound influence on the history of humankind. Winchester tracks the Atlantic from its beginnings, when it “started to achieve properly oceanic dimensions about 190 million years ago,’’ to the present day.