MasterBooks offers two options. The first is a basic 4 subject set that includes grade-level math, language arts, history, and science. The second option is create-a-bundle, which allows you to choose from various options per subject and also offers elective choices. Eleventh and twelfth grade only have the create-a-bundle option. Most subject sets include one or more texts and a teacher’s guide. The teacher’s guide has information on scheduling, credits for high school students, objectives, daily assignments, worksheets, quizzes, tests, and answer keys.