Sage Carrington, Eighth-Grade Science Sleuth

"Best friends Sage Carrington and Isabel Flores are making the most of their summer break when they discover an antique treasure map near the Washington Monument. But when faced with difficult clues and a bully in the form of Edwin Hooser, the tween girls must use every bit of imagination, drive, and intellect to outsmart Edwin and decipher the map."--Amazon.com.