The Lacrosse Mix-Up (The Zach and Zoe Mysteries, Bk. 6)

Zach and Zoe are excited to join the Middletown Elementary lacrosse club, led by their third grade teacher, Ms. Moriarty. But right away, there's a mystery that needs solving: the netting on one of the school's lacrosse sticks is torn right through! Ms. Moriarty says the equipment is just old and worn, but the twins suspect it might be something else. They decide to investigate, and when the clues start coming together, they realize this mystery is only the first piece of an even bigger surprise.