Which Books should I be buying?

[Devils Advocate]

So I am a new player to PF and am having to fight my natural inclination, when starting onto something new, to buy everything all at once. I will likely be both a PC and from time to time a DM.

So my question is: What books should I be buying? What are the Must haves, the very helpful, useful but not necessary, and the can be skipped? Are the handbooks (like the Weaponmasters Handbook) worth picking up?

So far I have Core Rules, Advanced Player Guide, Advanced Races Guide, Inner Sea World Guide.

[John Compton]

If you're new to Pathfinder RPG (especially if you're new to d20 systems as a whole), I strongly recommend getting a copy of the Strategy Guide. It cleanly breaks down the game's rules, inspires character concepts, and helps you build a character to fit your vision. If you're gaming with others who are new to Pathfinder RPG, it's an excellent resource to pass around the table.

[Mondragon]

My recomendations:

Never played d20:
Beginers Box

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Later in this order:

Core Rulebook (you got it)
Advanced Players Guide (you got it)
Inner Sea world guide (you got it) and Inner sea gods (for background)
More classes Books: Advanced Class Guide

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To Gming

Game Master Guide
Bestiaries 1 and more...
One Adventure Path (Kingmaker or Runelords are nicest to start, imho)

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Books related to your adventure path place (Varisia to runelords or River Kingdoms to Kingmaker for example)

If you are handle the rules then:
More rules books (ultimate magic, ultimate combat, Unchained...)

And any book what themes you like (horror, equipment, technology, dragon empires...)

[Kalindlara]

In addition, if a book catches your eye, consider reading through the reviews to see if it sounds like something of interest. ^_^