Rebellion (Chronicles of Charanthe #1) by Rachel Cotterill
Approx. 142,910 words.
Published on October 10, 2010.
When her dreams are smashed by an assignment which would leave her trapped in a job far beneath her abilities, Eleanor has nowhere to turn. The Imperial system prides itself on unassailable perfection. In desperation she rejects her assignment and the quality of life she would have been guaranteed - and finds her imagination captured by legends which tell of a secret society of elite assassins.