Where do I train up to Artisan Engineering?

[Hydrated]

I'm at skill lvl 223 with my engineering, but where do I get the next level? And what do I have to do? Is it based on completing a quest?

[kingogre]

I know all the info is on the main official forums... I'd suggest either searching here or looking there at the stickies..

But yes you choose either goblin or gnomish engineering.