Find literature related to these books and authors. These books should be post-colonial meanwhile discussing the given topic.

Select 3 post-colonial novels from the following countries

Jamaican, Sri Lankan and American literature.
Find literature related to these books and authors.
These books should be post-colonial meanwhile discussing the given topic.
Are there better ideas to improve this topic?
Can we have Jamaican poetry and two novels from the other two countries or vice versa?