Subject(s): Harley Quinn -- (Fictitious character) -- Comic books, strips, etc. | Batgirl -- (Fictitious character) -- Comic books, strips, etc. | Wonder Woman -- (Fictitious character) -- Comic books, strips, etc. | Supergirl -- (Fictitious character) -- Comic books, strips, etc. | Wonder Woman -- (Fictitious character) -- Fiction. | Harley Quinn -- (Fictitious character) -- Fiction. | Batgirl -- (Fictitious character) -- Fiction. | Supergirl -- (Fictitious character) -- Fiction. | Women superheroes -- Comic books, strips, etc. | Superheroes -- Comic books, strips, etc. | Time travel -- Comic books, strips, etc. | High schools -- Comic books, strips, etc. | Women superheroes -- Fiction. | Superheroes -- Fiction. | High schools -- Fiction. | Time travel -- Fiction. | JUVENILE FICTION / Comics & Graphic Novels / Superheroes. | JUVENILE FICTION / Comics & Graphic Novels / Media Tie-In. | JUVENILE FICTION / Comics & Graphic Novels / Action & Adventure. | JUVENILE FICTION / Media Tie-In. | JUVENILE FICTION / Superheroes. | Action and adventure fiction. | Superhero comics. | Graphic novels.