I have Book One. Haven't found the second one or the teachers editions yet, which I've seen online exist.
I'm also working with "Introduction to Attic Greek" by Donald J. Mastronarde. There's a tutorial site online that kind of goes along with the book, which is a lot of fun and helpful. I don't know if those here already know about it, but you can find it at:
http://socrates.berkeley.edu/~ancgreek/ ... start.html