The list author says: "Hi there!! My name is Mukul. I'm starting my MBA at Tuck School of Business in Fall 2011. I scored a 770 on GMAT and through this list want to recommend good material for your GMAT Preparation. Check out my website on how to use this books in the best way possible. www.gmating.com"
"This is what pushed my score to 770. Anyone who is looking to push his/her score towards the 750 mark, this is the definitive book. Never ever start with this book though. Should be done only after you have a reasonable level of expertise with the existing material."