Tom dislikes spending the summer on his aunt's farm until he discovers a black fox in the forest and tracks her to her den.

    But once Vesper and Brinnie arrive, they are plunged into a fierce struggle between rebel forces— and someone is out to kill the two of them! If anyone can triumph over those kind of odds, it's Vesper — one of Lloyd Alexander's most intrepid (and best-selling) heroines.

    But when adventuress and aviatrix Linka Perlfinger walks into his watchmaker's shop, his life becomes anything but ordinary.