On the left side bar here, you can go towards the bottom, click "By Trade" under trade skills, and then choose leatherworking. All of the specializations are seperated out, the letters are just kinda small.
Dragonscale is geared to Hunters and Shaman since they are given the ability to wear mail at 40.
Edited, Jun 15th 2007 2:01pm by AtrophyGFour