Not Appropriate for Children is an advisory used on the Barnes and Noble website, particularly for comic books and manga intended for a mature audience (though some manga rated Older Teen have received the advisory).
Series/individual books with the "Not Appropriate for Children" label[]
- 99 Sez
- 300
- 4 Girlfriends
- Aliens
- Appleseed
- The Art of H.P. Lovecraft's The Cthulhu Mythos
- Banana Games
- Battle Royale
- Berserk
- Big is Better
- Blankets
- Bond of Dreams, Bond of Love
- The Book of Genesis Illustrated
- Border
- Chobits
- Does The Flower Blossom?
- Dog X Cat
- Dr. Makumakuran and Other Stories
- The Education of Sophie
- Even So, I Will Love You Tenderly
- Fairy Song
- Fist of the North Star
- From Hell
- Ghost in the Shell
- Girl Play
- Gloom Cookie
- Hellboy
- Hellsing
- I Am Not Your Maid!!
- Kisses, Sighs, and Cherry Blossom Pink
- Kizuna
- Little Cry Baby
- Lone Wolf and Cub
- Lost Girls
- Love Hina (original printings only; omnibus editions do not carry the warning)
- The Lust of Us
- Manara Erotica
- Maxion
- Mermaids and Other Mysteries of the Deep
- Mona, Agent X
- Naoki Urasawa's Monster (individual volume listings only; Perfect Edition versions do not carry the warning)
- Neon Genesis Evangelion (original printings only; omnibus editions do not carry the warning)
- Not Enough Time to Pull It Out!
- Omaha the Cat Dancer
- Parasyte (Tokyopop print listings only)
- Pardners
- The Passion of Gengoroh Tagame
- Pet Shop of Horrors
- Precinct 69
- Red River
- Samurai Deeper Kyo
- Shadow and Light
- Sin City
- Strange Sex in Parallel Worlds
- Sundome
- Totally Exposed
- Ultimate Muscle
- Velvet Kiss
- Whispered Words