Orr glanced back now and then to see how his guest fared. The four pack mules trundled along behind him, well used to the routine. He knew Horatio was offended to be carrying a mere pack instead of leading the way with Orr on his back. That was necessary because the big mule was the strongest one in Orr’s string and ideal for carrying the heavy load of feed. Behind him came Rojo, a stocky red john mule. Dull and steady, he was not one of Orr’s favorite mounts and usually ended up in the pack string. Next came gray Lulu, who still had a few rough edges. He didn’t know much about her background, but figured she’d had more than her share of harsh treatment. In time he felt she’d get over being so spooky. Penny was last, carrying the lightest load. He knew she was still too young to have to b