Edeo (Educational Video Online Courses) is one of the pioneering Online Courses Creators. We systematically design LEGOO Mandarin, including PPT, PDF and Videos br materials, covering from Kindergarten, YCT (Youth Chinese Test), HSK (Chinese Proficiency Test), IGCSE Chinese, A1, A2 Chinese, IB Chinese, SAT Chinese, AP Chinese, IB br Chinese, etc. This is our past 25 years painstaking efforts based on our firsthand experience to teach foreigners. “Share with You What We Know Best” is our Slogan. We start with br LEGOO Mandarin and now expand the system into other topics: Bahasa Malaysia, IT eCommerce, Accounting and Finance, Tai Chi Fitness and Qi Gong. You can learn anytime br anywhere!br br In addition to be Content Creators, we also provide Online Systems, which can be easily integrated with your school or company online system or use separately.br br br For More Amazon Hardcopy or paperback books at best price with reduced postage, or FREE Amazon Kindle readings, please visit: br David Yao Amazon Kindle Author Central page: (USA) br Please forward to friends who may need.