Click Start 9 is a Computer Science resource, covering the concepts of Windows 7, MS Office 2007, HTML, XML, programming languages C, C++ and Java. Click Start: Computer Science for Schools, for classes 9 and 10 are the two additional levels in the Click Start series. These books have been prepared keeping in mind the rising demand for Computer Science education in schools. Click Start 9 is a Computer Science resource, covering the concepts of Windows 7, MS Office 2007, HTML, XML, programming languages C, C++ and Java.