When you are racing 435 miles through the jungles and mountains of South America, the last thing you need is a stray dog tagging along. But that's exactly what happened to Mikael Lindnord, captain of a Swedish adventure racing team, when he threw a scruffy but dignified mongrel a meatball one afternoon. When they left the next day, the dog followed. Try as they might, they couldn't lose him - and soon Mikael realised that he didn't want to. Crossing...