Best way to ship LEGO Instruction Manuals?

vincevaughn · 2014-08-08T01:28:13.000Z

Tried searching and came up with zilch, so here goes. Have several extra large and small instruction manuals (as well as some Nintendo NES game manuals :P ) and wondering the best way to ship them. The USPS cardboard envelopes (not sure of the name) are priority mail and seem expensive for manuals that only cost a few bucks. So how would you fine gentlemen go about shipping them in an acceptable and economic way? Thanks in advance for the advice.