I know not technically a download but it seemed the correct place to put it.

I don't know how I found this, it's not listed on Google and there are no visable links on his site but it seems Doyle's put his whole book on his web server!

Here's the link -

Doyles Poker Room - Poker: Play Poker Games Online

BOOK DESCRIPTION

The Most Anticipated Book In The History of Poker.

Super System 2 gathers together the greatest players, theorists, and world champions and expands upon the original with more games, new authors, and most importantly, more professional secrets from the best in the business.


Poker's Greatest Players Share Their Secrets.


This superstar lineup is led by Doyle Brunson, two-time World Series of Poker Champion, nine-time WSOP gold bracelet winner, and the greatest poker player of all time. His hand-picked roster of expert collaborators includes: Daniel Negreanu, winner of multiple WSOP gold bracelets and 2004 Poker Player of the Year; Lyle Berman, three-time WSOP gold bracelet winner, founder of the World Poker Tour, and super-high stakes cash player; Bobby Baldwin, 1978 World Poker Champion and president of Bellagio; Johnny Chan, two-time World Poker Champion and nine-time WSOP gold bracelet winner; Mike Caro, poker¿s greatest researcher, theorist, and instructor; Jennifer Harman, the best female player in the history of poker and one of the ten best overall; Todd Brunson, winner of more than twenty tournaments; and Crandell Addington, a no-limit hold-em legend.


The Complete Masterpiece of Poker.


Together with the original Super System, hailed by professionals as the most influential book on poker ever written, this two-volume set comprises a full library of the best poker advice, strategies, and professional concepts ever published.