If you don't know about or haven't checked out Master Pedro Sauer's ebook "Passing the Guard and its Submissions" you are fulling missing it. The book is a master piece and getting great reviews. It makes a great gift for the Holidays and beyond.
Get your copy at http://www.amazon.com/dp/B00AHF67QY and learn from the master and find out why everyone is raving about it!
Kid Peligro Iphone App Secrets of the Closed Guard
Kid Peligro Iphone App: Portuguese for BJJ