The adventure takes them from Mr Penumbra's mysterious shop to Google's rainbow campus and on to a subterranean reading room in New York, the group's clandestine headquarters.
And in "Sea Glass," which takes place at the start of the Depression, newlyweds buy the house and turn it into a clandestine headquarters for striking millworkers.
"The clandestine headquarters was established just 32 miles by railway from Clydeside because it was the big shipbuilding magnates there who were being contracted to build or upgrade more than half of the two hundred vessels supplied to the Confederacy by UK shipyards".
Plame's account of her clandestine work based at the CIA headquarters in Langley, Virginia, which also required trips abroad, further demolishes the lie.
Arson attacks started in 2009, when underground anarchists launched a clandestine campaign, attacking the army's General Staff headquarters with a smoke grenade.
The rest could be deployed flexibly across the country, including to the NATO headquarters in Kabul, the capital, and in clandestine operations.
In recent years, Miyamoto, who is now sixty-four, has retreated to the position of Zelda's overseer, relinquishing control to younger directors inside the clandestine, Willy Wonka-esque factory that is Nintendo's Kyoto headquarters.
Today the former KGB headquarters is a museum containing fascinating stories about the clandestine activities that took place there.
The artist's standard response to questions about the intrigue behind the paintings suggests that he acquired something of the clandestine mind-set in his months inside Vauxhall Cross, the agency's headquarters in central London, and on trips to MI6 stations in Afghanistan, Africa and eastern Europe.
Training begins at the C.I.A. headquarters, in Langley, Virginia, where aspiring case officers develop cover identities to facilitate clandestine work abroad.
Like all large institutions, C.I.A. headquarters, in Langley, Virginia, is full of water-cooler gossip, and a retired clandestine officer told me this summer that the story about a former operations officer faking the documents is making the rounds.
