1. Understanding Big Data: Analytics for Enterprise Class Hadoop and Streaming Data-By Chris Eaton, Paul Zikopoulos.
2. Big Data Now: 2012 Edition – By-O’Reilly Media.
3. Data;1; Analysis with Open Source Tools – By: Philipp Janert.
4. www.datastax.com.
5. Cassandra: The definitive Guide- By: Eben Hewitt.