With only a yellowing photograph in hand, a young man - also named Jonathan Safran Foer - sets out to find the woman who might or might not have saved his grandfather from the Nazis. Accompanied by an old man haunted by memories of the war, an amorous dog named Sammy Davis, Junior, Junior, and the unforgettable Alex, a young Ukrainian translator who speaks in a sublimely butchered English, Jonathan is led on a quixotic journey over a devastated landscape and into an unexpected past.

Peter Watson's hugely ambitious and stimulating history of ideas from deep antiquity to the present day—from the invention of writing, mathematics, science, and philosophy to the rise of such concepts as the law, sacrifice, democracy, and the soul—offers an illuminated path to a greater understanding of our world and ourselves.