What is the fine-grained topic of the following text: Dr. Kearns has authored many articles and four books including "Canadian Aviation" published September 2009, "e-Learning in Aviation" published in 2010, (co-author) of "Competency-Based Education in Aviation: Exploring Alternate Training Pathways" published 2016, and a forthcoming introductory textbook on "Fundamentals of International Aviation" coming 2018. Only return the topic.
Dr. Kearns' aviation-related publications