I can't find it on Amazon.com
Yeah neither can I. In fact all that shows up is a page for NMS "Digital Code" as well as it being currently unavailable.
I think a lot of people are in the same boat. The cool thing is that you could spend an entire year just watching LPs of this game, wait for a price drop, and then if you decide to pull the trigger you'll still be exploring places in the shared universe that none of us will ever get to see.
It looks like they took the page down, because even the link in my order history leads to a 404 page. I assume the page will go back up tomorrow when launch details are released. June 21st seems like a reasonable date because it falls after E3 and is a Tuesday.
Anyway, I'm pretty excited. I'd probably drop some extra cash for a physical art book, as it seems they have a lot of concept art around the look and feel they wanted in NMS, as well as some of the iterative, procedural art used for different ships and animals shown in a few of their videos over the past few years.
All "butwhatdoyoudoooooo?" questions ought to get that link as a reply. Great find.
Guaranteed people will still complain it doesn't really "tell" them anything.