The Heroes of Olympus: The Demigod Diaries by Rick Riordan

anything like that.”
    “Ha!” Cacus clapped his hands. “A high-end shopper. If I haven’t got what you need in stock, I can steal it, for the right price, of course.”
    “Hermes’s staff,” I said. “The caduceus.”
    The giant’s face turned as red as his hair. His eyes narrowed. “I see. I should’ve known Hermes would send someone. Who are you two? Children of the thief god?”
    Annabeth raised her knife. “Did he just call me Hermes’s kid? I’m going stab him in the—”
    “I’m Percy Jackson, son of Poseidon,” I told the giant. I put out my arm to hold Annabeth back. “This is Annabeth Chase, daughter of Athena. We help out the gods sometimes with little stuff, like—oh, killing Titans, saving Mount Olympus, things like that. Perhaps you’ve heard stories. So about that caduceus…it would be easier just to hand it over before things get unpleasant.”
    I looked him in the eyes and hoped my threat would work. I know it seems ridiculous, a sixteen-year-old trying to stare down a fire-breathing giant. But I had battled some pretty serious monsters before. Plus, I’d bathed in the River Styx, which made me immune to most physical attacks. That should be worth a little street cred, right? Maybe Cacus had heard of me. Maybe he would tremble and whimper, Oh, Mr. Jackson. I’m so sorry! I didn’t realize!
    Instead he threw back his head and laughed. “Oh, I see! That was supposed to scare me! But alas, the only demigod who ever defeated me was Hercules himself.”
    I turned to Annabeth and shook my head in exasperation. “Always Hercules. What is it with Hercules?”
    Annabeth shrugged. “He had a great publicist.”
    The giant kept boasting. “For centuries, I was the terror of Italy! I stole many cows—more than any other giant. Mothers used to scare their children with my name. They would say, ‘Mind your manners, child, or Cacus will come and steal your cows!’”
    “Horrifying,” Annabeth said.
    The giant grinned. “I know! Right? So you may as well give up, demigods. You’ll never get the caduceus. I have plans for that!”
    He raised his hand and the staff of Hermes appeared in his grip. I’d seen it many times before, but it still sent a shiver down my back. Godly items just radiate power. The staff was smooth white wood about three feet long, topped with a silver sphere and dove’s wings that fluttered nervously. Intertwined around the staff were two live, very agitated serpents.
    Percy! A reptilian voice spoke in my mind. Thank the gods!
    Another snaky voice, deeper and grumpier, said, Yes, I haven’t been fed in hours.
    “Martha, George,” I said. “Are you guys all right?”
    Better if I got some food, George complained. There are some nice rats down here. Could you catch us some?
    George, stop! Martha chided. We have bigger problems. This giant wants to keep us!
    Cacus looked back and forth from me to the snakes. “Wait…You can speak with the snakes, Percy Jackson? That’s excellent! Tell them they’d better start cooperating. I’m their new master, and they’ll only get fed when they start taking orders.”
    The nerve! Martha shrieked. You tell that ginger jerk—
    “Hold on,” Annabeth interrupted. “Cacus, the snakes will never obey you. They only work for Hermes. Since you can’t use the staff, it doesn’t do you any good. Just give it back and we’ll pretend this never happened.”
    “Great idea,” I said.
    The giant snarled. “Oh, I’ll figure out the staff’s powers, girl. I’ll make the snakes cooperate!”
    Cacus shook the caduceus. George and Martha wriggled and hissed, but they seemed stuck to the staff. I knew the caduceus could turn into all sorts of helpful things—a sword, a cell phone, a price scanner for easy comparison-shopping. And once George had mentioned something disturbing about “laser mode.” I really didn’t want Cacus figuring out that feature.
    Finally the giant growled in frustration. He slammed the staff against the