I only added a paragraph here and there, after the editing was finished. Hopefully there won't be too many errors.
On a side note, Caleb gives Kim a perception exercise in this chapter. You'll know what it is, when you see it. The exercise is one of a set of Zen exercises I learned in my misspent youth. A variation on the exercise is looking at a tree, and trying to count the shades of green you see. Try it. You'll like it! :)