Jenny Sparks: The Secret History of the Authority #[nn]

This 2001 collection from DC gathers the five-issue miniseries that delves into the backstory of Jenny Sparks, the fiery spirit of the 20th century and founding member of The Authority. Written by Mark Millar with art by John McCrea, the story traces her life from her birth in 1900 through key historical events, exploring how she became the powerful, no-nonsense leader of the super-team. It serves as both a prequel to The Authority and a standalone character study of one of DC's most iconic antiheroes.