The best way to search the Library catalog is to go to the Subject search box, and type: Chinese language materials.
This will bring up items that help you learn Chinese, but also books and films that are in the Chinese language.
The general area where Chinese-language materials can be found is: PL1001-3208
Mo gong = Battle of wits
The Films on Demand database offers a variety of instructional videos to help you learn a new language. These titles are just a sample to get you started!
Chinese in Three Minutes -- This 25-part series covers basic elements of conversation, such as greetings; introducing yourself; saying "please" and "thank you"; asking "how much," "where," and "why"; making an apology, and much more.
Ultimate Guide to Chinese Pronunciation -- These lessons focus on the correct pronunciation of vowels and consonants; how to approach the four Chinese tones; and a review of mistakes to avoid.
Yufa!: a practical guide to Mandarin Chinese grammar by 
Oxford Chinese Dictionary by 
Dreaming in Chinese by 
McGraw-Hill's Chinese Dictionary and Guide to 20,000 Essential Words by 
Mandarin Chinese the Easy Way by 
Modern Mandarin Chinese for Beginners by 
Ultimate Chinese (Mandarin) : [beginner-intermediate]