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Second-grader Dawn Bosco must put her detective skills to the test in these four mysteries at the Polk Street School

The Mystery of the Blue Ring

Dawn Bosco and Emily Arrow used to be best friends, until Dawn took Emily's unicorn. Even though Dawn eventually gave it back, Emily still won't talk to her.

When Emily's blue birthday ring goes missing after art class, the rest of the second grade accuses Dawn of stealing it. Dawn sets out to solve the mystery herself to prove she is innocentâ??and maybe get her best friend back.

The Riddle of the Red Purse

When Dawn finds a red purse on the playground after school one day, she knows she's also found a new mystery to solve. But after she puts up posters and makes an announcement on the loudspeaker, too many people are trying to claim the purse!

The only clues are a shopping list, some money, and some dust that looks like cookie crumbs. Dawn will have to figure out the riddle of the purse's odd contents to find its rightful owner.

The Secret at the Polk Street School

Ms. Rooney's second-grade class is determined to win the school contest by putting on a surprise play. Dawn Bosco will play Little Red Riding Hood, and Jason Bazyk will be the Big Bad Wolf.

But someone is trying to ruin everything. First, Dawn hears a scary voice backstage. Then, the wolf suit goes missing. Dawn has to get to the bottom of the mystery in order to save the play and win the prize.

The Powder Puff Puzzle

One hot summer day, Dawn's cat, Powder Puff, jumps into an open car window. Before Dawn can catch up, the driver speeds off!

Dawn is sad, but she knows she's a great detective. It's up to the Polka Dot Private Eye to track down the car, the driver, and Powder Puff.