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!
He quotes from two books that he brought with him, with a particularly awesome reference to Louis-Ferdinand Céline, French author and vet of WWI, who screams on the page to a crowd to stop moving "so that they won't disappear anymore!" (1.20.3).