Which genre is "Sherlock Holmes" ?

what do you call a book that makes you laugh

the use of humor, irony, exaggeration, or ridicule to expose and criticize people's stupidity or vices, particularly in the context of contemporary politics and other topical issues.

Which genre is this book?

Which genre is a book about President Obama?

Which genre is this book?

The type of book that features scientific inventions/ technologies in the future (i.e. a time machine, space travel,....)

The writer writes about himself/ his own life. What genre is it?

What is this?

what is the type of book that describes imaginary (not real) people, events or places