Esma Boyle's Diary is a book found in Dishonored.
Transcript
Finally! Tonight, tonight! The party is going to be so fabulous. I shall bed the first man to ask for it. And the second after that! I am so sick of these dark, awful times. Every day is as dreary as the one before. Well not tonight! Tonight is for the living!
- Esma
Location
The book can be found in Esma Boyle's bedroom, on the second floor of the Boyle Mansion during the mission, Lady Boyle's Last Party.