1862 french novel by Victor Hugo.
~1653 standard pages long. Looks like it's sort of split into 6 volumes.
Recommended by a teacher who I was talking to about reading on placement in January 2013, and given the prolific nature of the stage show it does seem like it should be a good read.
- ↑ Project Gutenberg version is 3181840 characters long, with fluff removed from the beginning and end, according to Notepad++