As we announced last week at ALA Midwinter, we're about to come out with "Library Anywhere"—a mobile catalog for any library. In short, it provides a mobile catalog, both mobile web and native apps (see the handout).
Over the night we added a small avalache of features (for a list of Talk posts, see the top of this post.) This post talks about the "Get this book" feature.
"The API is designed to help libraries and others to add links to LibraryThing when LibraryThing has a book, and omit them when we don't. It's an easy conditional-linking system"