Hey Grover! Thorn's kidnapping us! He's a poisonous spike-throwing maniac! Help! Auteur: Rick Riordan Copy Quote More from Rick Riordan “Whasthat!""Um ... those are the toilets.” “As his raft skimmed over the water, taking him back to the mortal world, he und…” “Piper gripped his hand and followed him, “If I fall, you’re catching me.” “Uh, …” “Think about Isis,” Jaz repeated. “And Sadie…thereis a purpose. You taught us th…”