Cynthia Voigt

"When Max's parents leave the country without him, he must rely on his wits to get by, and before long he is running his own--rather unusual--business"--

Angus and Sadie, two siblings that are of mostly border collie heritage, are adopted by a young couple and start living on a Maine farm, where they begin to learn sheep herding and come to appreciate how they are different from each another.