404. That’s an error.

The requested URL /books%3Fid=ytzMAAAACAAJ&dq=inauthor:%22Josep+Masabeu+i+Tierno%22&hl=ca&sa=X&ei=QLbOUvq9Ks7Q7AbEwYDgBQ&ved=0CDMQ6AEwAA was not found on this server. That’s all we know.