>>291
Did you look at the right page?
http://en.wikipedia.org/wiki/Haruhi_Suzumiya_%28light_novels%29
It's right there:
"...has since been licensed for release in Taiwan, Hong Kong and Mainland China by Kadokawa Media, in South Korea by Daiwon CI, and in the United States by Little, Brown Books for Young Readers and Yen Press." [emphasis mine]
>>292
Here you go:
http://www.animenewsnetwork.com/news/2008-04-17/little-brown-gets-haruhi-light-novels-in-english
>>293
>>294
Per the above articles, it's a joint venture between Little, Brown Books and Yen Press. The first volume is due next April.