NOT SOLD SEPARATELY. The combination of TheSky Student Edition software and TheSky Workbook offers instructors the perfect package to complement Mike Seed's text. This workbook includes examples, exercises, and in-depth explanations of astronomical topics such as the different types of sky coordinates, the motions of the Earth and planetary objects, the naming conventions and locations of astronomical bodies, lunar phases and solar and lunar eclipses, and sidereal time. The workbook also includes detailed instruction for using the software.