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Running a 4th Edition D&D Campaign
By an Amazon.com customer
Dungeons and Dragons Core Rulebook Gift Set, 4th EditionDungeons and Dragons Core Rulebook Gift Set, 4th Edition by Wizards RPG Team
Buy new: $66.12 / Used from: $61.67
A good deal if you plan to run a game, and really, all you need.
Dungeons & Dragons Player's HandbookDungeons & Dragons Player's Handbook by Rob Heinsoo
Buy new: $23.07 / Used from: $19.48
Unlike previous versions, the Player's Handbook is all you need to play. If a players wants a single item, this would be the only thing to get.
Player's Handbook 2: A 4th Edition D&D Core Rulebook (Bk.2)Player's Handbook 2: A 4th Edition D&D Core Rulebook (Bk.2) by Jeremy Crawford
Buy new: $23.07 / Used from: $17.98
I've always had a soft spot for Bards, and one of my players wanted to try a Barbarian, so this seemed like a good suppliment to get.
Martial Power: A 4th Edition D&D Supplement (D&D Rules Expansion)Martial Power: A 4th Edition D&D Supplement (D&D Rules Expansion) by Wizards RPG Team
Buy new: $19.77 / Used from: $13.78
Ok, so I'm less of a power-gamer than I used to be, but I still like lots of optional rules and interesting combinations.
Adventurer's Vault 2: A 4th Edition D&D SupplementAdventurer's Vault 2: A 4th Edition D&D Supplement by Rob Heinsoo
Buy new: $19.77 / Used from: $12.93
I'm a firm believer that magic items need to be interesting, and tailored to the players. This does both.
Dungeons & Dragons Dungeon Master's Guide: Roleplaying Game Core Rules, 4th EditionDungeons & Dragons Dungeon Master's Guide: Roleplaying Game Core Rules, 4th Edition by Wizards RPG Team
Buy new: $23.07 / Used from: $12.93
If, like me, you end up running the game, the DMG is what you need.