The book "Theory and Practice of Online Learning" is published by Athabasca University under a Creative Commons license, allowing free reading, printing, and sharing of its contents. The book is divided into four parts: Role and Function of Theory in Online Education Development and Delivery, Infrastructure and Support for Content Development, Design and Development of Online Courses, and Delivery, Quality Control, and Student Support of Online Courses. Each part covers various aspects of online education, including theoretical foundations, infrastructure, course development, and student support. The book emphasizes the importance of instructional design, multimedia development, copyright issues, and the role of technology in enhancing learning experiences. It also discusses the challenges and opportunities presented by the evolving landscape of online education, such as the need for flexibility, customization, and adaptability to diverse learning cultures and styles. The contributors, who are primarily from Athabasca University, share their expertise and insights on how to improve the quality and effectiveness of online learning.The book "Theory and Practice of Online Learning" is published by Athabasca University under a Creative Commons license, allowing free reading, printing, and sharing of its contents. The book is divided into four parts: Role and Function of Theory in Online Education Development and Delivery, Infrastructure and Support for Content Development, Design and Development of Online Courses, and Delivery, Quality Control, and Student Support of Online Courses. Each part covers various aspects of online education, including theoretical foundations, infrastructure, course development, and student support. The book emphasizes the importance of instructional design, multimedia development, copyright issues, and the role of technology in enhancing learning experiences. It also discusses the challenges and opportunities presented by the evolving landscape of online education, such as the need for flexibility, customization, and adaptability to diverse learning cultures and styles. The contributors, who are primarily from Athabasca University, share their expertise and insights on how to improve the quality and effectiveness of online learning.