Use the Library Catalog to search for electronic books by subject, keyword, author, or title.
Finding Books on Your Topic 
Once you have chosen a topic and done your background research you will be ready to conduct more comprehensive research using books.
Use the Library Catalog to find books. Books can provide a broad overview of a topic or in-depth information. You can search for books by author, title, subject, or keyword.
Use the following terms to search for books on your topic:
To locate ebooks, refine search results by Availability and select Available Online.
Further refine the results by Resource Type and select Books.
Here are a few E-books which may help with your research:
Understanding Genocide : The Social Psychology of the Holocaust
Why Did They Kill? Cambodia in the Shadow of GenocideHere are some books available in the library which may help you with your research:
Annihilating Difference by 
Buried Secrets: Truth and Human Rights in Guatemala
Dancing in the Glory of Monsters: The Collapse of the Congo and the Great War of Africa
Final Solutions: Mass Killing and Genocide in the Twentieth Century
Genocide: Contemporary Issues Companion