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