Crash Course In Philosophy Of Mind
First of all: Gah. I can't believe I forgot to mention the Stanford Encyclopedia of Philosophy. THIS is a really good intro to your research topic:

After that, at least one of the following, in any order:

If you don't like either of those, then try this instead:

Then there's this, which is probably not relevant to your project but which I find a lot of fun and helpful for thinking about consciousness in general: