0dbdc52e__Writer_s_Diary_Writer_s_Diary__Thing_that_Happens
[Analog World] Yes! This happened for me with a book from Inter-library loan. It was awesome. [Digital World] Well. If you crack your book file open you could look to see if the coder left any interesting comments. (OK, I consider this unlikely.) [Thing that Happens] 
You find an interesting note in the pages.
Computers and Technology Archives - Writer's Diary Writer's Diary
Thing that Happens