Centers around a character trying to solve a problem; easy to read in one day novel poetry fairy tale legend short story myth fable tall tale.

Centers around a character trying to solve a problem; easy to read in one day:

Tall tale.

Explanation:

A novel is written in as a book lenght and its characters contain certain realism but it is generally a fictional prose complex narrative story of sequenced events of human experiences.

Poetry is a literary artistic work used to express overflowed emotions and manages to struck its reader through its particular intense style, sound and rhythm.

Fairy tales emerge from culture's roots as oral tradition but they are made up stories that narrates through magical creatures such as fairies, goblins, pixies, elves, etc. the difference from a folk tale is that fairy tales are made up and folk tales come from real-life events.

A legend is a story that includes historical facts with certain accuracy, some of them are real while some others are not.

A short story is an own-crafted made up prose narrative story which includes few characters looking for integration and an specific mood rather than a plot. It is shorter than a novel.

Myth is a category of a story that is considered true and can be found in most cultures around the world.

Fable is a fictional short allegorical narrative making a moral lesson, through animal characters with human-like features who speak and act.

Tall tales are around a special funny and unbelievable type of character, whose features are clearly overstated to be shown as a life-almighty hero who, usually thinks is normal around from who, and a problem to be solved the story is centered. Readers can realize it has been made up, although parts of the story are based in factual events.