Start with a keyword search in the catalog. Once you have located a relevant item, you can look at the Subjects in the record and follow those links to find related books.
You can also refine your results by using the facets on the left side of the screen. Use the "Available Online" filter to limit to materials that may be accessed remotely!
[Country] -- Economic Policy example: Brazil -- Economic policy
[Country] -- Politics and government example: Bolivia -- Politics and government
[Country] -- Social Conditions example: Turkey -- Social conditions