Engineering at the expert level breaks into two disciplines: gnome and goblin. Gnome engineering represents by far the superior of the two! It's about the construction of wonderful gadgets and devices that make life better! adventurer, read this manual. If you want to learn more on gnome engineering, then take that manual to Tinkmaster Overspark in Ironforge. Remember - membership is permanent and prevents joining the other discipline, so make sure you are sure before finishing his task!