The End of Eternity

I first read Isaac Asimov's "The End of Eternity" when I was a teenager. Re-reading it now, I'm convinced it's Asimov's best, and maybe one of the greatest sci-fi novels of all time.

It’s not that the concept is so mind-blowing –it is – but that the writing itself is so damn good.

And the idea of time travel as a sci-fi plot device is older than, well, H.…