You can find an interesting work related your research here:

Elson, D. K., Dames, N., & McKeown, K. R. (2010, July). Extracting social networks from literary fiction. In Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics (pp. 138-147). Association for Computational Linguistics.

http://www.cs.columbia.edu/~delson/pubs/ACL2010-ElsonDamesMcKeown.pdf

Thanks Mr. Drago for your information. I have downloaded the article successfully and I will surely enhoy reading it. I was wondering if you yourself have any experience in the topic of SNA for literary works. thanks again.