Hi there. I wasn't entirely sure where to post this topic (so sorry if it's in the wrong place!)

My sister really loves video games, especially PC games. I was thinking of some good gift ideas for gamers, and I thought it'd be nice to get her something like a huge, comprehensive picture book of concept art (not anything specific really, just nice pictures; especially scenery/landscapes). I haven't been able to find anything like this online however - although I've seen plenty of books on how to draw concept art - so I feel like I'm out of luck.

Anyways, what are some good gift ideas for the video game player in your life?

Games, obviously ..
It depends on her taste, personally I'd be glad to get a copy of FarCry4 or Wolfenstein new order :)

Maybe there's something like a coupon/ voucher for Steam, uPlay, Origin etc.
Or a gaming mouse/ keyboard

Try looking for collector's editions of games; they often come with concept art books and similar goodies.

Steam Sales! D:

Others have mentioned games; if you're confident, however, that an art-book would be to her liking (I daresay that not all gamers would be interested in one), then try searching for "game art book"--I found a number of hits using those terms (on DuckDuckGo, at least--I imagine that Google would be similar). Note that I don't include "concept" in those terms--perhaps that term was throwing off your searches.

Since you mentioned a general book, this result in particular might be of interest to you: The Art of Video Games: From Pac-Man to Mass Effect. (Note, however, that it seems to have been published in 2012, and thus likely omits games from the past two years at least.)

This should work

http://www.thinkgeek.com/product/e8bf/

This should work

http://www.thinkgeek.com/product/e8bf/

That is actually awesome.