Thomas Grey novels (J. H. Gelernter)

"The year is 1803, and the British Secret Service is contending with a belligerent France under Napoleon. The service suffers a blow in the loss of a prime agent, Thomas Grey, who--despondent at his wife's untimely death--resigns from British Intelligence and departs England for Boston, where he intends to become a lumber merchant. His plan to start a new life is thrown abruptly off course when a French intelligence network attempts to recruit him...

"Vienna--June 1804. At the glittering debut of Beethoven's Third Symphony, a Spanish diplomat meets with Captain Thomas Grey, agent of His Majesty's Secret Service. In exchange for a gigantic bribe, the Spaniard discloses Spain's darkest secret: the actual terms of the Treaty of San Ildefonso with France. Spain's neutrality in Napoleon's war on Britain is only a ruse to keep the British navy from attacking the great treasure-armada now gathering in...