one of my favourites was a book about these people on another planet, where a computer is in charge and uses these fruits off some tree encased in spiky suits to shepherd the people on the surface.. theres also a pack of highly intelligent dogs running around with a man they adopted as a child (imaginatively called Mandog...) and some folks in a domed city.... the comp realises somethings going wronga nd tries to use a boy from outside to put it right... can't remember what its called or who its by, but if anyone knows I'll be very grateful....