Listmania!
The Absolute Best Poker Books Out There.
By an Amazon.com customer
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
THE definitive book for general poker concepts. It coined the literal "theory of poker" in its opening pages and proved itself right. An absolute must read and reread and even intense study.
Harrington on Hold 'em Expert Strategy for No Limit Tournaments, Vol. 1: Strategic PlayHarrington on Hold 'em Expert Strategy for No Limit Tournaments, Vol. 1: Strategic Play by Dan Harrington
Buy new: $19.77 / Used from: $16.87
(Vol. 1 & 2 - awaiting 3) The definitive books on No Limit Tournament play, even though I found they improved my cash game too. They are laid out brilliantly and again are a must read and study.
Hold'Em Poker for Advanced Players (Advance Player)Hold'Em Poker for Advanced Players (Advance Player) by David Sklansky
Buy new: $19.77 / Used from: $6.15
The definitive book for Limit Hold'Em. Sklansky covers everything you ever wanted to know about the mechanics and science of Limit in one pain in the brain book. A must read and study.
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
(SS1 or 2 depending) The old Bible of Poker books maybe dated but is still excellent. Probably the definitive text for NL cash games and invaluable for its strategy of other games.
Caro's Book of Poker TellsCaro's Book of Poker Tells by Mike Caro
Buy new: $16.47 / Used from: $9.99
The definitive book on physical tells in poker. If you play live poker games this book will increase your profits 10 or even 100 fold. An invaluable book - just watch out for others who've read it. ;)
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
(Awaiting Lil' Blue Book) If you love NLHE this should be one of the first books you buy. Tons of great, useful knowledge packed in an aptly named little green book. Highly recommended.
Weighing the Odds in Hold'em PokerWeighing the Odds in Hold'em Poker by King Yao
Buy new: $16.47 / Used from: $11.95
A superb book on odds in Limit Hold'Em. Absolutely essential to anyone who plays Limit, definitely a must read as the odds are what seperates the greats from the rest.
Small Stakes Hold 'em: Winning Big With Expert PlaySmall Stakes Hold 'em: Winning Big With Expert Play by Ed Miller
Buy new: $16.47 / Used from: $9.45
The definitive Low Limit Hold'Em Book out there. If you haven't noticed by now, Sklansky is the Mark Twain when it comes to poker books and this is just another notch on his belt.
Winning Low-Limit Hold'em (2nd Edition)Winning Low-Limit Hold'em (2nd Edition) by Lee Jones
Buy used from: $5.85
Did I say Sklansky's book was the definitive book on LLHE? Well, he has a companion. This book is equally as good and maybe more beginner friendly. Study both carefully, they make a great combo.
Hold 'Em PokerHold 'Em Poker by David Sklansky
Buy new: $13.57 / Used from: $4.00
The definitive book on Beginner Hold'em Poker by none other than Sklansky - geared towards Limit
Poker: The Real DealPoker: The Real Deal by Phil Gordon
Buy new: $14.36 / Used from: $0.01
The definitive beginner's guide on perhaps poker in general by Phil Gordon. Geared towards No Limit mostly but covers the main topic of just poker.
Championship No Limit & Pot Limit Hold 'Em (Championship Series)Championship No Limit & Pot Limit Hold 'Em (Championship Series) by Tom McEvoy
Buy new: $21.86 / Used from: $0.01
The best supplement to Harrington's books and a great read for those who play No Limit tournaments. As someone said, excellent once you cut out the fat.
Kill Phil: The Fast Track to Success in No-Limit Hold 'em Poker TournamentsKill Phil: The Fast Track to Success in No-Limit Hold 'em Poker Tournaments by Blair Rodman
Buy used from: $2.99
If you play NLHE tourneys this a must - if not study and abide by then at least read through book of a very well known and dangerous style. Great for what it is.
Middle Limit Holdem PokerMiddle Limit Holdem Poker by Bob Ciaffone
Buy new: $16.50 / Used from: $7.35
Oddly enough the best Mid Limit Hold'em Book in the world doesn't come from a Mr. Sklansky but from a Mr. Ciaffone. Still a must have book for those who play these limits.
Secrets the Pros Won't Tell You About Winning Hold'em Poker: About Winning Hold'em PokerSecrets the Pros Won't Tell You About Winning Hold'em Poker: About Winning Hold'em Poker by Lou Krieger
Buy new: $10.17 / Used from: $3.52
And excellent beginner's book on Limit Hold'em that is easier to read that most of Sklanskey's stuff and perhaps just as good.
Pot-Limit & No-Limit PokerPot-Limit & No-Limit Poker by Stewart Reuben
Buy new: $18.25 / Used from: $4.25
One of the orginal No/Pot Limit books is still one of the best, even though it's been eclipsed by a few. Still highly recommended.
Poker EssaysPoker Essays by Mason Malmuth
Buy new: $16.47 / Used from: $6.75
(Vol. 1, 2, and 3) Malmuth's Poker Essay Series is truly superb and offers a ton of great ideas and theories on this great game of ours. Very highly recommended.
Play Poker Like Johnny Chan, Book One: Casino PokerPlay Poker Like Johnny Chan, Book One: Casino Poker by Johnny Chan
Buy new: $29.95 / Used from: $27.50
Chan's book will make a great addition to your library when you've read the rest. His thoughts on how he plays hands are highly informative and helpful.
Real Poker II: The Play of HandsReal Poker II: The Play of Hands by Roy Cooke
Buy new: $13.57 / Used from: $7.44
A great study guide with tons of hands that are laid out and analyzed in depth by the mind of a great player.
No Limit Hold 'em: Theory and PracticeNo Limit Hold 'em: Theory and Practice by David Sklansky
Buy new: $19.77 / Used from: $16.44
If it's up to par with the rest of his stuff, it should be a classic. Plus, we need more purely No Limit material out there.
Power Hold'em StrategyPower Hold'em Strategy by Daniel Negreanu
Buy new: $25.16 / Used from: $18.66
Ask and ye shall receive as the Player of all Players of today is releasing what may become the new Bible of NLHE. Here's to hoping at least one of these two are as great as we hope.
Winning 7-Card Stud: Transforming Home Poker Chumps into Casino KillersWinning 7-Card Stud: Transforming Home Poker Chumps into Casino Killers by Ashley Adams
Buy new: $12.82 / Used from: $4.82
After you've mastered Hold'em you should really learn 7 Card Stud as there ARE other GREAT, FUN poker games out there, and this is the best place to start.
How to Beat Low Limit 7 Card Stud PokerHow to Beat Low Limit 7 Card Stud Poker by Paul Kammen
Buy new: $11.66 / Used from: $5.49
After you've started this is a great next step up to becoming a good 7 Stud Player. If you have Super System you can check out Chip Reese's section for a good beginner's guide.
Seven-Card Stud for Advanced Players (Advance Player)Seven-Card Stud for Advanced Players (Advance Player) by David Sklansky
Buy new: $19.77 / Used from: $10.56
The definitive 7 Stud book is Sklansky's (of course). Check out Negreanu's section in Super System on Triple Draw for another fun, underrated game.
Poker Wisdom of a ChampionPoker Wisdom of a Champion by Doyle Brunson
Buy new: $11.21 / Used from: $0.72
Definitely a must read. Wisdom from a champion indeed. Also recommended for good reads are "One of a Kind: The Rise and Fall of Stuey Ungar" and "The Best Hand I Ever Played".