American Sign Language is one of the most beautiful yet misunderstood languages in the world. Approach learning it with the same respect and expectations you would if you were learning any foreign spoken language. ASL is used in the United States and Canada. Other sign languages are used across the world, including Malaysia, Germany, Austria, Norway, and Finland. We'll give you some tips on learning this wonderful form of communication.
http://www.wikihow.com/Learn-American-Sign-Language
http://www.wikihow.com/Learn-American-Sign-Language