Libro de pasta dura.
To say=decir. To speak=hablar.
[Tu] no eres español. In the spanish language, you dont tend to say the ' tu'
¿Estás practicando tu español?
If you are referring to people from Spain, the right word is españoles. But if your are referring to hispanics, the right word is hispanos. People who speak Spanish are gente de habla hispana or...