Balook

He was the largest land mammal of perhistoric times--a rhino. Now computers and genetic engineering have brought one of these magnificent creatures back to life and into the life of a boy named Thor. This moving and suspenseful tale will enchant readers, and offer an irresistible reminder of the bond between the creatures of the wild and the child that lives within us all.
A friendly prehistoric rhinoceros is genetically recreated in the near future.