404. That’s an error.
The requested URL /books?id=HbP7JvQy3lUC&dq=editions:HARVARDHWNNCN&lr=&sitesec=reviews was not found on this server. That’s all we know.
/books?id=HbP7JvQy3lUC&dq=editions:HARVARDHWNNCN&lr=&sitesec=reviews