What type of book is this?
It's an encylopedia.
What type of book is this?
It's a science fiction/sci-fi.
What type of book is this?
It's a romance/love story.
What type of book is this?
It's a comic book.
What type of book is this?
It's an adventure story.
What type of book is this?
It's a cartoon.
What type of book is this?
It's a fantasy.
What type of book is this?
It's a historical story.
What type of book is this?
It's a dictionary.
What type of book is this?
It's a mystery/detective story.