Louise Simonson writes about monsters, science fiction and fantasy characters, and superheroes. She wrote the award-winning Power Pack series, several best-selling X-Men titles, Web of Spider-Man for Marvel Comics, and Superman: Man of Steel for DC Comics. She has also written many books for kids. She is married to comic artist and writer Walter Simonson and lives in the suburbs of New York City.

With the financial help of Lex Luther, the Joker and Harley Quinn plan to trap the Justice League in a "jail" beneath Arkham Asylum, using Flash and the Huntress as bait--and Batman, Wonder Woman, and the rest of the heroes must rescue their friends, while avoiding the traps the Joker has set.