Janey Brown thought she was an only child. Now 'Joanie' has turned
up claiming to be Janey's secret twin! But when Jane Blonde is
posted to Australia to investigate a suspicious sheep farm, it
becomes clear that Joanie isn't quite what she seems. Has Janey
exposed an undercover cloning operation? Soon Janey's dodging more
than boomerangs: there are multispies on the loose - including Jane
Blonde's own evil twin!