In 1816, snow fell in New England in June, birds dropped dead from the sky in London, and famine swept across Europe. Historian David Nash presents "The Year Without a Summer," a gripping narrative of the global climate catastrophe caused by the eruption of Mount Tambora in Indonesia the previous year.Nash connects the dots between this geological event and massive societal shifts. He explains how the stratospheric ash cloud caused crop failures that led to the first major Jewish migration from Europe to America and spurred the invention of the bicycle (as horses became too expensive to...