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#1 Who Cloned the President? -
#2 Kidnapped at the Capital
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#3 The Skeleton in the Smithsonian -
#4 A Spy in the White House -
#5 Who Broke Lincoln's Thumb? -
#6 Fireworks at the FBI -
#7 Trouble at the Treasury -
#8 Mystery at the Washington Monument -
#9 A Thief at the National Zoo -
#10 The Election-Day Disaster -
#11 The Secret at Jefferson's Mansion -
#12 The Ghost at Camp David -
#13 Trapped on the D.C. Train! -
#14 Turkey Trouble on the National Mall