Reading Level Equivalent: 3.5
Summary: Arthur is a nervous wreck after he is called down to the principal's office and given an envelope to deliver to his mother. Arthur has no idea what is in the envelope, but his friends brainstorm about what may be inside. In this mystery, Arthur must not only discover what's in the envelope, but also himself. He must decide whether to deliver the envelope or not(since it might be a bad report about Arthur), or do what he knows in his heart is right thing.
Lesson Integration: This book can be utilized to teach the fundamental principles of honesty and responsibility to the children. The story presents the conflicting emotions that Arthur feels and the difficult decision he must make, in order to do his duty. He must be responsible and honest to his mother and principal, even if the news within the envelope is troublesome.