The secret at Jefferson's mansion /
by Ron Roy ; illustrated by Timothy Bush.
- 1st ed.
- New York : Random House, c2009.
- 87 p. : ill., map ; 20 cm.
- Capital mysteries ; 11 .
- Roy, Ron, 1940- Capital mysteries ; 11. .
"A Stepping Stone book."
KC and Marshall run across a forgotten cubbyhole while painting a closet at the White House and find a box of toy horses that once belonged to Thomas Jefferson; when they go to Monticello to return the horses, the box disappears, and they explore the building and grounds to find the thief.