Publisher's Synopsis
When Gilda lands a summer internship at the International Spy Museum in Washington, D.C., she finds herself caught up in both a museum haunting and a real case of espionage. While investigating a cemetery where Abraham Lincoln's son was once buried, Gilda stumbles upon a spy's "dead drop" of classified information. As she tries to decode the cryptic message, Gilda realizes her case is not only a matter of investigating the supernatural; she's involved in an urgent matter of national security and faces her most serious challenge yet.
