The thirteenth sector. Book 3. Cycle "Andrey Lunev". Shalygin V.

Is it possible to save the world without going beyond the alienation zone? It turns out that you can. It is only necessary to find out how this is done.

the former mercenary, nicknamed the old one, he did not suspect that the new task of General Ostapenko would provide him with another opportunity to die or save all of humanity just without leaving formally beyond the limits of the zone. Formally - because Andrei went to the hidden thirteenth sector of the abnormal zone, which posed a much greater danger than the other twelve. The owner of the hidden world will release countless monsters from him, which will turn the entire planet into one giant abyss. It remained only to put this knowledge into practice. But this was not so difficult to do.