Updated to Reading Guide of Discworld 2. 21 / April 2014. A -very- simple but useful Discworld reading graphic guide. You can Zoom in/out over the Guide. Note: The app is now offline. Internet connection is not required anymore. Guide Contributors: Richard Hayes. Emmanuel Varet. Alkar. Gfx by Jakub Olekson. Icon app image by Azdaracylius.