The Polk Street Mysteries Books 1–4

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 innocent—and mayb