Series
Summary
When KC and Marshall see lights flickering at night in the Washington Monument, their investigation turns up a monkey, a hole in one of the monument stones, and a hundred-year-old mystery. Late at night KC and Marshall are sleeping out on the White House lawn when they see suspicious lights flickeri... Full description
Series: Capital mysteries
Who cloned the President? (Volume 1.)
Kidnapped at the Capital (Volume 2.)
The skeleton in the Smithsonian (Volume 3.)
A spy in the White House (Volume 4.)
Who broke Lincoln's thumb? (Volume 5.)
Fireworks at the FBI (Volume 6.)
Trouble at the Treasury (Volume 7.)
Mystery at the Washington Monument (Volume 8.)
A thief at the National Zoo (Volume 9.)
The election-day disaster (Volume 10.)
The secret at Jefferson's mansion (Volume 11.)
The ghost at Camp David (Volume 12.)
Trapped on the D.C. train! (Volume 13.)
Turkey trouble on the National Mall (Volume 14.)