[Web4lib] Enhanced ebook service

[Susan Kane]

At the risk of quoting Jonathan when he's right here to quote himself, he
did a short review of the differences between Google Books and Google
Scholar in terms of the API (and lack thereof) and Google legal
restrictions.

I believe this is still accurate -- if something has changed, please
correct.

http://bibwild.wordpress.com/2010/01/13/google-scholar-does-not-allow-meta-search/