Z-kai Everystudy Advanced 3 subjects for 6th grade This is a half-year's worth, from August 2012 to January 2013. Although it is old, the content seems to be not much different from new materials as it covers universal learning. There are no writings. It is in very clean condition. The name on the back is left as is due to the large amount of it. As this is a copyable product, returns are not accepted.