Mallory is excited to start fifth grade. She just got a cell phone, and Mary Ann's in her class. What could go wrong?

For one thing, she gets off on the wrong foot with her new teacher. For another, Mary Ann seems to be avoiding her and spending all her time with their classmate Zoe. And then there's Mallory's book report assignment. Instead of Mary Ann, her partner is the new kid, Devon. Is fifth grade going to be a disaster, a fun adventure, or a little of both?
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