Where can I find instructions for using the ATD Learning System? Teona McCutchen Updated November 21, 2018 16:12 Follow Detailed instructions about how to use the ATD Learning System e-reader are located here: https://d22bbllmj4tvv8.cloudfront.net/df/b5/85009dd448ba8cdd7d6c90ad14ac/frequently-asked-questions-mhe-reader-atd-10-2018.pdf Related articles Are there practice exams available for the CPLP and APTD? How do I access the Learning Portal to get my course materials and pre-work? What materials are available to help me prepare to take the APTD or CPLP exams? Are there additional materials available to prepare for the CPLP Skills Application Exam (SAE)? What topics should I study if I do not wish to purchase preparatory materials from ATD?