CHAPTER TWENTY-THREE “Did you hear that?” Switch said, looking at Arachnid curiously. Arachnid—who sat in the seat opposite her—raised his head and looked at her in confusion. “Hear what?” “An explosion.” Switch looked toward the hatch. “I heard an explosion come from behind us.” “An explosion?” the Giver repeated skeptically. “Granted, my hearing isn’t as good as it once was, but I’m pretty sure I would have heard an explosion if it had happened so close to us.” “Not right behind us,” said Switch. “More like near the tunnel entrance.” “What could cause an explosion underwater?” said Arachnid. “The Atlantis?” “I don’t know,” said Switch. “I just wanted to know if you two had heard it.” “Maybe The Atlantis fired missiles at the entrance to block it off,” said the Giver. “Not that th

