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!
Some might think it's undignified to teach my pupils how to ride on my own back, but I place safety first and would never trust them to a common horse. [The Education of Achilles by Chiron by Pierre Paul Puget, 1690] Public domain.