Rune said:
Sorry for the sparse information. I'd be more detailed, but I've got a game to get to, just now. If no one has beaten me to it, I'll add more later this evening.
I'll take that as permission to go ahead and post the summary I sent off to Morrus here; hope you don't mind:
Beings of Power: Four Gods of Greyhawk, by David Noonan. Iuz, Pholtus, Rao and Tharizdun given over page each detailing their stats, divine powers, avatars, dogma, clergy and temples. They will not be included in Deities & Demigods. The madness and force domains are reprinted from The Return to the Temple of Elemental Evil (with a different granted power for madness).
Ramming Speed: Vehicle Combat Rules, by David W. Noonan. 16 pages of rules (relevant to non-combat situations as well), including stats and basic abstract diagrams for a number of non-magic (though sometimes unusual) land, sea, and air vehicles. Also, quite a few magic items and four fairly elaborate magical vehicles. After the rules, there's the Windsinger prestige class, that gains a new nautically based "windsong" each level.
Words to Live By: Using Catchphrases to Distinguish Your PC, by Robin D. Laws. Many suggested lines, and a short magical mumbo-jumbo generator.
Adding Injury to Insults: Wisecracks Are No Joking Matter, by Robin D. Laws. Wit as a social weapon, with rules for reputation points and wit feats.
Up on a Soapbox "All I Need to Know I Learned from D&D Lesson #8: Ain't it the Pits?" by Gary Gygax. The origin and evolution of pit traps in his Greyhawk campaign.
Epic Level Countdown, by Matt Smith. Teaser for the Epic Level Handbook, with short glances at several epic uses of skills and epic feats.
Class Acts "The Nightsong Infiltrator," by Monte Cook. Specializing in breaking into secure areas, a member of the same guild as last month's Nightsong Enforcer.
Faiths of Faerun "The Green Hunter," by Eric Haddock. Prestige class of elite, secretive followers of Thard Harr.
Elminster's Guide to the Realms "The Leaning Tree," by Ed Greenwood. A "typical trailside camp" southeast of Spiderhaunt Wood.
Bazaar of the Bizarre "Relics of the Faith," by Darrin Drader. 23 magic items sacred to the Greyhawk deities.
Chainmail "Underground Scenarios," by Chris Pramas.
Command Points "More Players, More Fun" by Rob Heinsoo. 70-point warbands designed for multiplayer games.
The Plays the Thing "There and Back Again," by Robin D. Laws. Keeping a log of your own character's adventures.
Silicon Sorcery "Nightcaster," by Chris Hind. Three spells from the Xbox game. "Neverwinter Nights," by Aaron Loeb. Rare magic weapons and armor.
Sage Advice. Focussing on monks, Oriental Adventures, and combat.
Living Greyhawk Journal:
Artifacts of Oerth: "Instruments of the Gods," by Allen Grohe and Erik Mona. Extensive write-ups of four artifacts.
April Fools Section:
Bazaar of the Truly Bizarre "Rummage Sale," by Ed Stark. A sidebar points out that these are actually balanced for play.
Gamers Vs. Girlfriends "No honey...I'm at the store." by Cory Herndon. "Did you say elf Maidens?" by Jill Stark.
Play With Your Feats: Feats You Already Have, by Mat Smith. Player feats.