Not to change the subject, but is anything being done with the RPG license now that it's D20, or is just slumbering in the unspeakable horror of the Earth's forgotten interior? I believe Wizards of the Coast no longer has the D20 license for CoC, and I don't think anyone has picked it up (and I doubt anyone ever will, thankfully).

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Further, Chaosium no longer includes D20 information in their latest CoC releases which are still based on the original percentile system (BRP -- Basic RolePlaying). So, the CoC RPG is still alive and kicking, with RAFM still pumping out the minis and the newer line of Monograph books which are written by non-Chaosium authors nor edited by Chaosium, but printed by them and/or made available as a downloadable PDF you can buy. One of the Monographs was so well done, Chaosium had the author re-do it as a full fledged Chaosium CoC product (Secrets of Morocco). I'd be all over this due to uncontrollable nostalgia for the 5th edition rulebook, but the description says the item is in fact 4th ed from 1989. And it doesn't help that the picture is of (apparently) 5.5 ed.

I can't recall if we started with 3rd or 4th edition, but I recall the 4th book was pretty nice. It has some nice full color art plates in it too. However, 5th edition (and the smaller bumps after that.

5.5, 5.6, 6) are the better ones to own if you're actually playing the game and not just collecting rule books. Not to change the subject, but is anything being done with the RPG license now that it's D20, or is just slumbering in the unspeakable horror of the Earth's forgotten interior? I don't know anyone who actually bought and played the d20 version. BRP is a wonderful, time-tested system and thankfully it is still going strong whereas the d20 thing (though it got some nice reviews) has faded into the gaming history books. And note, I am no fan of the 3.0/3.5-era d20 system. Just a hulking mess, if you ask me. I'm more a 'Savage Worlds'/'UniSystem' style of gamer.

For what it's worth. I found the fourth edition to be completely playable as is.

It would be great for someone who had never played the later versions, which did clean things up a bit. Also, I bought and ran the CofC D20 game. I found it to be superficially similar to the 3rd edition D20 D&D, which is really what most people were using D20 for at that point and is the best point of comparison. I ran a campaign of my own design with it, in modern times and WWII, and it worked a charm. I mean it, it was really, really good. The system really worked well, if you can believe it.

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I was as shocked as anyone, honestly. But it really did work well. It wasn't the hulking mass of rules that 3E became, because there was only one book. In fact, if you play 3 or 3.5 D&D with only the core books, it's a completely well-done rules set as well; at least, I had a ton of fun playing with it. And no one ever brought a million extra splat books to the table, so it worked really well. Back to d20 CofC, though - The advice on gm-ing from John Tynes is worth the price of the book, at the very least.