Christy Marx grew up in Danville, Illinois and is an American writer and a photographer. She has written scripts for various episodes of TV-series, mainly for kids' shows, including Jem, Teenage Mutant Ninja Turtles, Conan the Adventurer, G.I. Joe, Hypernauts, Captain Power and others. She is known for her original comic book series Sisterhood of Steel as well as work on Conan, Red Sonja, and Elfquest.
She is also a game designer, making her debut with Conquests of Camelot and following it with Conquests of the Longbow. She wrote the game bible and most dialogue for The Legend of Alon D'ar for the PlayStation 2 console, and has worked on PC, console and MMO games. She wrote the Babylon 5 episode Grail which, like Camelot, has to do with the discovery of the Holy Grail. In 2000, Marx won the Animation Writers Caucus Animation Award from the Writers Guild of America for her contributions to the field of animation writing.
The Jem villain Eric Raymond was named by her after her brother. Her husband, Peter Ledger, was an illustrator. The computer game Conquests of Camelot and the Sisterhood of Steel graphic novel features his art. In June 2012 it was announced that Marx would be writing the character of Amethyst, Princess of Gemworld in a revival of the comic book series Sword of Sorcery.