There are a number of useful books detailing the history and work of the CCC from 1933 to 1942. Your local library may have some of them, or you school librarian may be able to obtain them for you. Elsewhere on this page you'll find a list of some of the more exhaustive studies of the CCC. Also remember that the CCC story is covered in other books about the Great Depression.
The internet can also be a useful tool for conducting research for your writing project, but remember to use the internet carefully and to always double check internet sources if you can because not everything that appears on the internet is accurate or unbiased.