This seller sells extremely poor photocopies of do-it-yourself plans, pulled from old magazines. And this seller's customer service is unbelievably poor. They curse buyers and call them bad names. If you choose to buy from them, there is a very good chance that your transaction will be an unpleasant one!
Here's a summary of the bad feedback they have received:
http://www.toolhaus.org/cgi-bin/negs?User=greatvintageplans&Dirn=Received+by