Arthur C. Clarke
1) Firstborn
2) 2001
The year is 2001, and cosmonauts uncover a mysterious monolith that has been buried on the Moon for at least three million years. To their astonishment, the monolith releases an equally mysterious pulse—a kind of signal—in the direction of Saturn after it is unearthed. Whether alarm or communication, the human race must know what the signal is—and who it was intended for.
The Discovery and its crew, assisted by the highly
...4) Time's eye
For eons, Earth has been under observation by the Firstborn, beings almost as old as the universe itself. The Firstborn are unknown to humankind—until they act. In an instant, Earth's timeline is carved up and reassembled into a patchwork of different eras, from prehistory to the year 2037, each with its own indigenous inhabitants.
Scattered across the planet are floating silver orbs impervious to all weapons and impossible to communicate
...