Stig of the Dump

Barney is a solitary eight-year-old, given to wandering off by himself. One day he tumbles over, lands in a sort of cave, and meets' somebody with shaggy hair wearing a rabbit-skin and speaking in grunts. He names him Stig. They together raid the rubbish dump at the bottom of the pit, improve Stig's cave dwelling, and enjoy a series of adventures.