This book addresses a specific question. What is the metaphysical nature of the conscious properties we enjoy when we have sensory experiences?
Right now I am looking at a yellow ball in the middle of my garden lawn. In so doing, I am having a conscious visual experience, constituted by my instantiating certain conscious properties, properties that I would cease to possess if I closed my eyes. Similarly, I can hear various background noises, and I can feel the hardness of the chair I am sitting on. These are further sensory experiences involving further conscious properties....