You should want to sing “the end” from the rooftops, not vomit in the sand between the back of a portaloo and someone’s million-dollar Cape Cod-style McMansion.
The why factor tells reader things about your characters. Readers learn who people, and they connect more deeply with the story, such as in “The Gift of the Magi” when writers show instead of tell.
A media kit is an informative sales package with your author bio, headshot, press release, book information, & more. Learn why you need one and what goes into it.