Cutting Edge's contextualized practice of grammar and vocabulary makes the learning process more memorable and engaging. A wide range of contemporary topics and video materials help students discover English in the context of the modern world. Third edition. Operating system requirements: Windows XP/Vista7, Macintosh OSX 10.4, LinEx Fedora 6/Ubuntu 6, Open Suse 10.2/Mandriva 2007 Hardware requirements: 1GHz Processor, 256 MB RAM, 64 MB Graphics, 1024x768 Screen Resolution.