Not a great book for learning Chemistry but OK for studying what you have learned in class and from a real text book. Good as a test prep guide or if (like me) you took Chemistry 20+ years ago and need to refresh. It does cover Chemistry at the college freshman level, just like AP classes should
Two rolls of sew-on velcro. It's the real stuff as described. Comes in a plain unmarked plastic bag. "Velcro" is a brand name for one manufacture's line of hook and loop. No idea if this really is the velcro brand but it is good stuff.