We Need More Writers!
Here is how I'm discovering new recipes on my Weapon Smith at low levels.
1. Craft the two necessary components to build a weapon or shield. For example, Brown Sword Hilt and Brown Sword Blade.
2. Go to the discovery tab and add your two components plus an inscription piece.
Then you end up crafting something like this:
|Weapon Smith Discovering Mighty Bronze Shield Recipe|
I love that you can just right click on any item and check for a price on the Trading Post. Epic!