You are not required to purchase a hard copy of this textbook. A digital copy is provided with your Registration fee at no extra cost to you. If you prefer a printed hard copy version of this textbook, you may order one, provided you are registered for, or have previously attended the ADDC Seminar through this website. Your book will ship to you directly from Mimeo Publishing. Total cost includes shipping and taxes. Approximate delivery time will be 10 days from date of purchase.