Maybe this belongs in the Commercial Thread, but I had to tell you guys about this amazing book that is currently free on Kindle: The PlayBook: An Inside Look at How to Think Like a Professional Trader by Mike Bellafiore, saving you £38.99/$46.82.
http://www.amazon.co.uk/The-PlayBook...dp/B00DW7PLLQ/
http://www.amazon.com/The-PlayBook-I...dp/B00DW7PLLQ/
http://www.amazon.co.uk/The-PlayBook...dp/B00DW7PLLQ/
http://www.amazon.com/The-PlayBook-I...dp/B00DW7PLLQ/