In the summer of 1972, with a presidential crisis stirring in the United States and the cold war at a pivotal point, the Soviet world chess champion, Boris Spassky, and his American challenger, Bobby Fischer, met in Reykjavik, Iceland, for the most notorious chess match of all time. Their showdown, played against the backdrop of superpower politics, held the world spellbound for two months with reports of psychological warfare, ultimatums, political intrigue, cliffhangers, and farce to rival a Marx Brothers film. Thirty years later, David Edmonds and John Eidinow have set out to reexamine...

In 1766 philosopher, novelist, composer, and political provocateur Jean-Jacques Rousseau was a fugitive, decried by his enemies as a dangerous madman. Meanwhile David Hume--now recognized as the foremost philosopher in the English language--was being universally lauded as a paragon of decency. And so Rousseau came to England with his beloved dog, Sultan, and willingly took refuge with his more respected counterpart. But within months, the exile was loudly accusing his benefactor of plotting to dishonor him--which prompted a most uncharacteristically violent response from Hume. And so began...

On October 25, 1946, in a crowded room in Cambridge, England, the great twentieth-century philosophers Ludwig Wittgenstein and Karl Popper came face to face for the first and only time. The meeting -- which lasted ten minutes -- did not go well. Their loud and aggressive confrontation became the stuff of instant legend, but precisely what happened during that brief confrontation remained for decades the subject of intense disagreement.

An engaging mix of philosophy, history, biography, and literary detection, Wittgenstein's Poker explores, through the Popper/Wittgenstein...