>>What's Grok??? Didn't you ever read Arthur Clarke's Childhoods End. I just kind of thought everybody had read it at some time in their lives.
>
>Wrong book. It's Heinlein's "Stranger in the strange land".

Yes, my bad. I don't know why I wrote 'Childhoods End'. Probably because they are inseparable in my mind as two of the greatest SF books ever written. And if I'm going to be perfectly honest, I didn't write it. Clarke did.