graphic novel 
noun
A novel in comic-strip format.He has woven his craft in many forms; graphic novels and comic books, short stories and full length novels and even children's books....
- His first graphic novel collects stories from this period.
- While artists and publishers worked around the comic code, it wasn't until graphic novels that comic art, as an form of expression rebounded.
Synonyms
comic, comic book, cartoon;
Japanese manga