Listmania!
BookClub.Degenizens.com
By an Amazon.com customer
Winning Low-Limit Hold'emWinning Low-Limit Hold'em by Lee Jones
Buy new: $16.47 / Used from: $9.95
First poker book I ever read. Great introduction to pot-odds, position, and the reason trash hands should end up in the muck.
The Theory of Poker:  A Professional Poker Player Teaches You How To Think Like OneThe Theory of Poker: A Professional Poker Player Teaches You How To Think Like One by David Sklansky
Buy new: $19.77 / Used from: $13.25
About as dry as the Sahara... but a necessary read. And re-read.
No Limit Hold 'em: Theory and PracticeNo Limit Hold 'em: Theory and Practice by David Sklansky
Buy new: $19.77 / Used from: $16.44
Great for understanding "relative position." Gives the math behind the "fancy plays." Applies to $2/$5 thru $10/$20 NL players.
Professional No-Limit Hold 'em: Volume IProfessional No-Limit Hold 'em: Volume I by Matt Flynn; Sunny Mehta; Ed Miller
Buy new: $19.77 / Used from: $16.90
I bought this book for Pops and have yet to read it. It does seem like he's been playing better since he got his hands on it. But he couldn't have played much worse, I suppose.
Doyle Brunson's Super System: A Course in Power Poker, 3rd EditionDoyle Brunson's Super System: A Course in Power Poker, 3rd Edition by Doyle Brunson
Buy new: $19.77 / Used from: $8.95
The Poker Bible. 'Nuff said.
Doyle Brunson's Super System 2: A Course in Power PokerDoyle Brunson's Super System 2: A Course in Power Poker by Doyle Brunson
Buy used from: $14.74
Excellent Triple-Draw section by Negreanu.
According to DoyleAccording to Doyle by Doyle Brunson
Buy new: $11.21 / Used from: $6.35
Doyle, blogging before there were blogs.
Poker Wisdom of a ChampionPoker Wisdom of a Champion by Doyle Brunson
Buy new: $11.21 / Used from: $0.72
More of Doyle, blogging, practically.
Ace on the River: An Advanced Poker GuideAce on the River: An Advanced Poker Guide by Barry Greenstein
Buy new: $18.00 / Used from: $11.99
Must-read for those that want to play day-in and day-out. Talks more about the lifestyle than actual strategy.
Caro's Book of Poker TellsCaro's Book of Poker Tells by Mike Caro
Buy new: $16.47 / Used from: $9.99
Strategies change. Human instinct has a funny way of being timeless.
Phil Gordon's Poker Box Set: Phil Gordon's Little Black Book, Phil Gordon's Little Green Book, Phil Gordon's Little Blue BookPhil Gordon's Poker Box Set: Phil Gordon's Little Black Book, Phil Gordon's Little Green Book, Phil Gordon's Little Blue Book by Phil Gordon
Buy used from: $129.01
I never read the black-book, but box-sets are always fun.
Phil Gordon's Little Blue Book: More Lessons and Hand Analysis in No Limit Texas Hold'emPhil Gordon's Little Blue Book: More Lessons and Hand Analysis in No Limit Texas Hold'em by Phil Gordon
Buy new: $15.12 / Used from: $10.00
Phil gives real-life examples of situations he's encountered during SNG and MTT - both live and online.
Phil Gordon's Little Green Book: Lessons and Teachings in No Limit Texas Hold'emPhil Gordon's Little Green Book: Lessons and Teachings in No Limit Texas Hold'em by Phil Gordon
Buy new: $15.64 / Used from: $10.00
Breezed through this in a short afternoon. Entertaining, but no earth-shattering news.