From 11:00PM PDT on Friday, July 1 until 5:00AM PDT on Saturday, July 2, the Shmoop engineering elves will be making tweaks and improvements to the site. That means Shmoop will be unavailable for use during that time. Thanks for your patience!
Chiron is a centaur, or half-man, half-horse. They tend to be really wild and even violent, and they love to get their drink on. Percy sees centaurs running wild in the countryside as he looks out the train window on the way to St. Louis.