Mystery mouth's voice is Nancy's first clue! Nancy has a new set of hot green walkie-talkies to use in busy places like the mail. But when Bess and George try t

When Bess and George try out Nancy's new walkie-talkies, one of the devices disappears, and a voice calling itself "Mystery Mouth" starts sending clues on the r

River Heights is getting a carousel! And the town is having a special ceremony to unveil it. Nancy, Bess, and George are dizzy with excitement for their first r

Traveling to the site of a commercial shoot, where her model friend Cindy will star, Nancy is alarmed by Cindy’s disappearance and launches an investigation t

It’s volunteer week at Carl Sandburg Elementary School, and Nancy is very excited about her job. She will be walking Mrs. Rutledge’s dog, Baby. Mrs. Rutledg