Mrs. Amelia spoke first. “So you’re saying that the people involved are planning something big for the party—maybe hurt the students with another explosion?”

“Yes,” Zeda replied. “Think about it. If someone is going against the school and wants to cause harm or bring it down, the party is the best time to do that. It will be packed with people, and everyone will be vulnerable because they won’t expect an attack.”

“Zeda’s right. The boutique explosion was probably a ...