La Conspiracion. Author: Dan Brown.

A new satellite from the NASA shows the existence of
a strange object buried inside the arctic ice.
To the northamerican spacial agency it's about a needed victory
for the space politic from the USA. The intelligence analyst
Rachel Sexton and the academic Michael Tolland have the job
of verify the autenthicity from the discovery. Once there they
discover something unimaginable: everything is a lie. But
before talking to the President, they get attacked by a
hired assassins group controlled by a mysterious man who
won't stop for nothing to hide the truth. 
Dan Brown send the readers to the National Reconnaissance Office,
to the ice platforms from the arctic polar circle and to the 
West wing hallway from the White House, all of these
inside this exciting thriller which goes through the more hidden
secrets ever from the secret services from the USA.