You can access to Complutense scanned books by searching anything in Google (or Google Books or Google Play).
This is relevant because it integrates our collections where the general public looks for information.
It has a multilingual interface and constant technological developments and upgrades.
You have easy access to another editions, related books, keywords or geographical places mentioned in the book.
And remember: Every 6 months more than 90% of the 20.000.000 Google Books are visited!