Author: Mair Wynn Hughes.  

The world has been polluted and everybody has to flee to the City underground in order to survive. What will Hywyn do with his dog Sam, as no animals are allowed into the City. The guards watch everyone like hawks, but can Hywyn and his friend Meilyr trick the authorities? A gripping novel, relevant to our times.

Awdur: Mair Wynn Hughes.

Stori afaelgar, hynod berthnasol i’n dyddiau ni. Mae’r byd wedi’i lygru a rhaid i bawb ffoi i’r Ddinas o dan y ddaear. Beth mae Hywyn am ei wneud â Sam ei gi, gan nad oes hawl mynd ag anifeiliaid i’r Ddinas? Sut mae Hywyn a’i ffrind Meilyr am dwyllo’r awdurdodau wrth i’r milwyr gadw llygad barcud ar bawb?