From Microsoft’s Live Search blog:
Today we informed our partners that we are ending the Live Search Books and Live Search Academic projects and that both sites will be taken down next week. Books and scholarly publications will continue to be integrated into our Search results, but not through separate indexes.
This also means that we are winding down our digitization initiatives, including our library scanning and our in-copyright book programs. We recognize that this decision comes as disappointing news to our partners, the publishing and academic communities, and Live Search users.
Read more at Law Librarian Blog