public function personalName( $slug ) {
		init_book_data_models();
		$name = '';
		$term = get_term_by( 'slug', $slug, self::TAXONOMY );
		if ( $term ) {
			$first_name = get_term_meta( $term->term_id, 'contributor_first_name', true );
			$last_name = get_term_meta( $term->term_id, 'contributor_last_name', true );
			if ( ! empty( $first_name ) && ! empty( $last_name ) ) {
				$name = "{$first_name} {$last_name}";
			} elseif ( ! empty( $term->name ) ) {
				$name = $term->name;
			}
		}
		return $name;
	}