The Art Of Portal 2 Book Announced

Valve and Dark Horse are teaming up the bring out The Art of Portal 2 book, coming October 31, 2012.

The 184-page hardcover collectible features concept art, sketches, renders, and commentary from the game's developers. It was announced last night at the Emerald City Comic-Con in Seattle, Wash.

No price has been announced. Head over to Kotaku to see some of the first images.