Review: 13 Little Blue Envelopes by Maureen Johnson

Ginny is quiet, shy, and all alone on an international flight with nothing but a stack of letters as a guide.

Following strict instructions by her aunt, Ginny must follow a series of clues and complete tasks before she can open the next letter. Her journey takes her from London to Scotland. Rome to Paris to Amsterdam to Greece, and a few other places in between. She meets people who change her life, and she touches theirs in return.

Along the way, Ginny learns the secrets of her aunt, learns ab...