Calibre

Location
Go to Preferences → Advanced → Miscellaneous and click "Open calibre configuration directory".

Fiction

 * All books: Fiction, Science Fiction, Media Tie-In, Star Trek Fiction, Star Trek
 * Specifics:
 * Star Trek The Original Series
 * Star Trek The Next Generation
 * Star Trek Starfleet Academy
 * Star Trek Shatnerverse

Nonfiction

 * All books: Nonfiction, Media Tie-In, Star Trek
 * Others:
 * Expose
 * Reference

Fiction

 * Horror: just Horror

General cleanup

 * remove "General" tag
 * search on: tags:;
 * remove tags related to languages