author = fullname count
# Full list of book columns:
# book = title series ser_no archive file size lib_id deleted date
-# author1 author_list
+# author1 author_list ext lang
# genre1name genre1title genre_name_list genre_title_list
# author1 is just one author from the list if there are more than 1
# author_list is a comma-separated list of full names