The books listed below provide good overviews on a wide range of topics. It's a smart idea to search the CUNY catalog to find books specifically on your topic.
Begin your research by reading a broad subject overview that will provide a framework for understanding the topic. The sources on this page can provide an examination of the issue and help you understand the big picture. Many of the databases listed here contain a brief history of the issue, important statistics and links to related and authoritative information. Several provide supporting and opposing arguments. All the information can be very useful for understanding and narrowing down your topic.