While attempting to repel an intergalactic invasion, mankind resorts to a weapon of such awesome destructive power that it undermines the Well World computer''s control of time and space - and threatens the very existence of the Universe.

It is up to Mavra Chang - victim and veteran of the Wars of the Well - and Obie, her sophisticated computer companion, to find the only being capable of travelling to the desolate Well World to repair the damage at source.

The infamous and near-mythical Nathan Brazil does not want to be found. But Mavra and Obie have never been ones to take no for an answer...

While attempting to repel an intergalactic invasion, mankind resorts to a weapon of such awesome destructive power that it undermines the Well World computer''s control of time and space - and threatens the very existence of the Universe.

It is up to Mavra Chang - victim and veteran of the Wars of the Well - and Obie, her sophisticated computer companion, to find the only being capable of travelling to the desolate Well World to repair the damage at source.

The infamous and near-mythical Nathan Brazil does not want to be found. But Mavra and Obie have never been ones to take no for an answer...