The startled shout came from the far end of the warehouse.“There must be two guards,” Nancy whispered to Ned. George let out a faint moan.“I thought I heard something, Charlie!” the guard on the catwalk yelled back. “I was just trying to scare ’em out into the open.”“Do you see anything now?”The guard craned his neck to look around. “No,” he admitted. “But I did hear something. Sounded like a piece of metal rolling around on the floor.”“I’ll bring the dog down and we can check it out.” A door slammed and there was silence.George moaned again. She was propped weakly against Ned’s shoulder.“Listen,” Ned whispered, “with George in this condition, we’re no match for a dog. Why don’t we just tell them who we are and why we’re here? They could call Ms. Amberton to confirm that it’s okay.”“No way,” Nancy retorted. “They might be working with the kidnapper. You take George and sneak to the exit. I’ll cover you guys by getting the guards’ and the dog’s attention.”“That’s too dangerous,”