Although I’ve already scanned and posted quite a few SF covers with art by the great Richard Powers, I’m not done yet. Look here:

[CLICK IMAGES TO ENLARGE]

Nice, eh?

Keywords: Three Times Infinity, edited by Leo Margulies; First Contact, edited by Damon Knight; Seven Come Infinity, edited by Groff Conklin; The Day of the Triffids by John Wyndham; Richard Powers.