Learning Materials(教材)
Hong Kong language Learning Centre (http://www.hkllc.com)
The Hong Kong Language Learning Centre is a leading language school in Hong Kong which is 
specialised in Cantonese and Mandarin Learning programm. 

Learn Mandarin-Standard Chinese 
Ian McLoughlin did his PhD on conducting research into speech enhancement, based in the DSVP 
research group at the School of Electronic and Electrical Engineering at University of Birmingham.
He have been studying Mandarin, or standard Chinese for many years, and he recommends these
materials. You may also visit his home page.

Learn Chinese on line
Learn Chinese on the Web site. Comprehensive compilation by Dr. Tianwei Xie, Dept. of Asian and 
Asian American Studies,California State University at Long Beach.

ABC interactive Chinese (趣味中文)Japanese learn Chinese (http://www.geocities.com/Tokyo/Towers/1513/)


Tool Books for learning Chinese(工具书)
Tool books on line (网上工具书) (http://www.erols.com./eepeter/chtools.html)

Chinese-English & English-Chinese Dictionary (汉英-英汉字典) (http://www.erols.com./eepeter/chtools.html)


字典网(http://www.zhongwen.com/zi.htm)

英汉字典(http://www.tigernt.com/dict.shtm)