Capital Mysteries by Ron Roy

Be sure to look at the vocabulary words, many with pictures, for these books at Quizlet.com. 

Search for the name of the book at Quizlet.com, and you can find the sets I have made.

1. Who Cloned the President

2. Kidnapped at the Capital

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 DC Train

14. Turkey Trouble on the National Mall

 
this website has pictures of the book covers:

https://www.goodreads.com/series/56289-capital-mysteries

http://en.wikipedia.org/wiki/Capital_Mysteries