Nancy is about to lose her first tooth, but if she can prevent it from falling out until she arrives at school she will get a special necklace from the nurse.
When Nancy finds an old desk at a tag sale, she soon finds out that someone left behind a key. Nancy and Bree set out to unlock the secret of the silver key in the hopes of finding some treasure along the way.
"When Nancy's first loose tooth starts wiggling at home, she's worried it will fall out before class and she won't get the special tooth-holder necklace from the school nurse"--.
Nancy can't wait to wear her new nightgown for Pajama Day at school, until her best friends Bree and Clara show up wearing matching pink polka-dot pajamas.
Feeling bad about last year's Field Day, in which her slow running cost the relay team a victory, Nancy, who enjoys using fancy words, finds herself facing another Field Day and another relay race with a mean classmate.
When Nancy finds an old desk at a tag sale, she soon finds out that someone left behind a key. Nancy and Bree set out to unlock the secret of the silver key in the hopes of finding some treasure along the way.
