His A history of Russia, Central Asia, and Mongolia, 1998-2018 title page (David Christian) back cover (David Christian has taught Russian and Soviet history for many years. He is also the Director of Macquarie University's Big History Institute, and designer and lead teacher on Macquarie University's Coursera based MOOC and Specialization in Big History. He was founding President of the International Big History Association, and is co-founder with Bill Gates, of the Big History Project, which has built a free online high school syllabus in big history)