There are many fine sources of information on Cuba available in different formats.
There are many excellent books about Cuba available with topics ranging from Fidel Castro to the the Spanish-American War. There is a great number of books available for further research and education about Cuba.
There are also many thousands of web sites which concern Cuba. These are not always accurate, but do provide many photos and up-to-date information.
There are also a few multimedia collections. These may be useful to look at as well.
Lastly, you can try to contact Cubans to conduct interviews, request tourism information, or for any other purpose. Be warned that email often does not get through and postal mail travels slowly.