I just started learning it myself a couple of weeks ago, and I'm now half-way through the online "Programming in Lua" book. I'm quite impressed with the core l

I just started learning it myself a couple of weeks ago, and I'm now half-way through the online "Programming in Lua" book. I'm quite impressed with the core language, which is quite elegant. And it's amazing what they've been able to do using just associative arrays (called "tables" in Lua) as their sole data structure.