Joker Hardcover Volume 02

After barely surviving in the jungles of Belize, The Joker's fled to Europe! Jim Gordon pursues the supervillain, but the seeds of doubt are sprouting... If The Joker didn't gas Arkham Asylum, who did? And what's the next move for Vengeance, daughter of Bane? Collecting The Joker #6-9 and The Joker 2021 Annual #1!