GED Test Prep Author:LearningExpress Editors GED Test Prep is a comprehensive guide to excelling on the GED, with complete sections for all five test areas--writing, reading, social studies, science, and math--as well as guidance on new topics, such as space study, business documents, and number grids. This guide also provides a diagnostic exam, two full practice exams, and a complete onli... more »ne test for each subject area.« less