These are basic searches for graphic novels:
Manga (pronounced "mahngah"), first coined in 1814, is a term for Japanese comics/cartoons.
Manga graphic novels are usually in black and white in a small, paperback size. They are to be read right to left, beginning at the "back" of the book, but are in English (here in the U.S.). Various subjects are covered.
To find books, you can search the three main catalogs:
The BPCL has thousands of graphic novels in its collection and it keeps growing. Below are some ideas for finding graphic novels.
Graphic novels in the BPCL are cataloged as separate items, like books are. Individual authors/artists usually are searchable. There are also a number of graphic novels and books on how to use them in the Curriculum Resouce Center.
This is a select list of reference books on graphic novels.