I'm selling the 2010 Valley Anesthesia Memory Master ($150) and Sweat Book ($125) or $255 for pair. There is no difference between the 2011 one and this one. If anyone is interested please let me know. They are both like new with no highlighting and clean pages. The Memory Master has a small sticker with a name in the corner, I believe I have a sticker same size you could place over it.