Culper Ring novels (Brad Meltzer)

A young archivist working in the National Archives and his childhood crush accidentally happen upon a priceless artifact--a 200-year-old dictionary that once belonged to George Washington--hidden inside a desk chair. Eager to discover why the President is hiding this important national treasure, the two soon find themselves entangled in a web of deception, conspiracy, and murder that will reveal the most well kept secret of the U.S. Presidency.

"Following The Inner Circle and The Fifth Assassin, Brad Meltzer returns with the next novel in the #1 New York Times bestselling Culper Ring series. Beecher White makes an alarming discovery on the White House grounds: there is a severed arm buried in the Rose Garden. As he investigates, he realizes it's a message one that may have dire repercussions for the President. Even worse, the message turns Beecher's personal life upside down, pointing him...