Acclaimed sales trainer and president of M3 Learning, Skip Miller, will be signing copies of his newest sales book, "Selling Above and Below the Line" for business travelers at the CNBC Smartshop located in SFO, Terminal 3, Gate 82, at 8 a.m. According to Neil Rackham, author of "SPIN Selling", this book "Should help readers increase their success while shortening their sales cycles."