Northstar Vale who put the Halo novels here?

he was still crawling back to clarity, just as Umi decided to crawl over to him. in any other time, he would have laughed, but he was too sluggish, too mentally weary. fffffuzzy. brain fuzz. he had no other words to describe the mental overstimulation and the toll it took on him. weirdo benry hours. he huffed.