The Thauminomicon is the second thing you will need in

Thaumcraft. Without it, you cannot do anything in Thaumcraft.It contains info about the objects and it also shows what objectsyou can, have and haven't unlocked. The ones you haveunlocked, you may click it, it will give you a brief description,and show you how to create it. To create the Thauminomicon, simpy right-click a bookshelf with a wand.