- -d, --details Output more details about books;
- repeat for even more details
+ --surname surname Search by author’s surname
+ --name name Search by author’s name
+ --misc-name misc. name Search by author’s misc. name
+ --fullname name Search by author’s full name
+ -e, --ext ext Search by file extension
+ --gname name Search by genre’s name
+ --gtitle title Search by genre’s title
+ -l, --lang lang Search by language