Isaac Asimov

The Robot Short Stories

1. The Complete Robot
2. I, Robot

3. Robot Dreams
4. Robot Visions

Elijah Baley and R. Daneel Olivaw

1. Caves of Steel
2. The Naked Sun
3. The Robots of Dawn (Robot)
4. Robots and Empire

The Empire

1. The Stars, Like Dust
2. The Currents of Space
3. Pebble in the Sky

The Foundation

1. Prelude to Foundation
2. Forward the Foundation
3. Foundation
4. Foundation and Empire
5. Second Foundation
6. Foundation's Edge
7. Foundation and Earth