How long will my student have to complete a Self-Paced Literature Unit Study? How many Self-Paced Literature stories do I need to complete for a year's worth of credit? Is there a recommended grade level for the Self-Paced Literature Unit Studies? What Self-Paced Literature Unit Studies are available? What is included in a Self-Paced Literature Unit Study? What is the return policy for the Self-Paced Literature Unit Studies?