There's loads of Air Traffic Control themed products in our store !
We've a guide to ATC exams in our educational book section:
Several books in our general aviation book section also relate to Air Traffic Control:
We also have excellent ATC simulations in our flight simulation section.
ATC Simulator 2
Premier Air Traffic Control simulation on the market for the PC.
Tower Simulator
Tower Simulator puts you in the controller's chair high atop a major airport to choreograph the movements of incoming and outgoing air traffic.