# calibredb > Tool to manipulate the your e-book database. > Part of the Calibre e-book library. > More information: . - List e-books in the library with additional information: `calibredb list` - Search for e-books displaying additional information: `calibredb list --search {{search_term}}` - Search for just ids of e-books: `calibredb search {{search_term}}` - Add one or more e-books to the library: `calibredb add {{file1 file2 …}}` - Recursively add all e-books under a directory to the library: `calibredb add -r {{path/to/directory}}` - Remove one or more e-books from the library. You need the e-book IDs (see above): `calibredb remove {{id1 id2 …}}`