Set of 4 textbooks required for the Certified Careworker Introductory Training Course. - Title: Certified Careworker Introductory Training Course Textbook - Contents: Volume 1: Philosophy and Fundamentals - Contents: Volume 2: Understanding of Systems - Contents: Volume 3: Understanding of Aging, Dementia, and Disabilities - Contents: Volume 4: Techniques and Practice Thank you for viewing. As you can see, there is a lot of highlighting and writing. Please be aware of this before purchasing.