Microsoft and <A HREF="http://www.quark.com/">Quark</A> announced they are cooperating to enable the QuarkXPress desktop publishing software to produce eBooks and other digital documents for Microsoft Reader with ClearType display technology. The companies plan to work together to build a Quark XTensions software module for avenue.quark that will enable users of QuarkXPress 4 to convert content to Microsoft Reader format for multiple devices, including laptops, PCs, Pocket PCs and purpose-built reading devices.