You can buy yuba at your local Japanese, Chinese or Korean grocery store -- but you probably already know that, if you're looking for yuba! Does anyone else know a good mail order source?
Alternately, you can make your own! Here's an eGullet thread about it: http://bit.ly/esuOGT
Daniel Patterson, a chef at Coi in San Francisco, wrote in the New York Times: Fresh yuba is available at most Asian markets or can be ordered from Hodo Soy Beanery, (415) 902-5137. Here's the article with recipes: http://nyti.ms/gUHcZq (photo below)
Meaning bean curd? I'm guessing here!