'return a dict containing all the standard field metadata associated with
the book.'

def get_all_standard_metadata(self, make_copy):

    if (not make_copy):
        return field_metadata
    res = {}
    for k in field_metadata:
        if (field_metadata[k]['kind'] == 'field'):
            res[k] = copy.deepcopy(field_metadata[k])
    return res
