If the fairy tale is also the name of the book then you would underline it. If it is not, then you would use quotes.
ex. "Snow White" is a fairy tale in a collection of Fairy Tales from the Brothers Grimm.
fairy-tale
Book titles, movie titles, TV show titles, play titles, and music album titles should be underlined when used in writing.
yes, it is fairy tale
Generally, no they are not.
Is SpongeBob a fairy tale
Song Titles are put into italics.
either one is fine.
That is correct. In MLA style, titles of books are italicized rather than underlined when citing them in text.
A fairy tale novel is a novel that is about a fairy tale, a novel that takes place in a fairy tale, a novel that has to do with a fairy tale, a novel that is a fairy tale, or a novel that is a fairy tale that may be extended
yes a changed fairy tale
No they should not.
No.