Speculative fiction is a broad umbrella category of narrative fiction referring to any fiction story that includes elements, settings and characters whose features are created out of imagination and speculation rather than based on attested reality and everyday life. That encompasses the genres of science fiction, fantasy, science fantasy, horror, alternative history, and magic realism.
Hobart Floyt is the surprised inheritor of a starship – a very handy
thing to have in the interstellar reaches of space. Just one
hitch... the interplanetary ruler who deeded it to him never told Hobart
where to find it!