When a mystery as old as Gotham City itself surfaces, Batman assembles a team of his greatest detectives to investigate this startling new enigma. As clues are discovered and the mystery deepens, the team soon finds itself on a journey that explores different eras in Gotham's history! Summary of Stephness: Though this takes place during Steph's tenure as Batgirl, she only appears on the cover by Trevor McCarthy, in the stained glass window ring of the Batfamily around Batman. Other Formats/Collected In: Digital Comic Book Batman: Gates of Gotham TPB