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Small Stakes Hold'em (Miller/Sklansky/Malmuth)
Hold'em Poker for Advanced Players (Sklansky/Malmuth)
Middle Limit Holdem Poker (Ciaffone/Brier)

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You really could read the above three and never have to read another limit Hold 'em book. But these also add something new:

Real Poker II -- Roy Cooke
Weighing the Odds in Hold 'em - King Yao

And for begginers:
Getting Started In Hold Em - Ed Miller
Winning Low Limit Hold 'Em - Lee Jones
Hold 'em Poker - David Sklansky
Internet Texas Hold 'em - Matthew Hilger


I think that's the lot really... All good.