Reader’s diggest: 2001, 2010, 2061 and 3001 by Arthur C. Clarke

2001: Aliens have left a monolith to monitor and help mankind’s evolution towards intelligence.

2010: A second monolith transforms Jupiter into a mini-sun to help creatures on Europa in the same way.

2061: A third monolith on Europa is controlled to some extent by Dave / HAL.

3001: A resurrected member of the 2001 crew destroys the monoliths with a computer virus.