Harley Quinn: Preludes and Knock Knock Jokes SC

Meet the clown princess of crime! When psychologist Harleen Quinzel met the Joker, the last thing she expected was to find love - but as the Joker preyed upon her mind, she fell for him, becoming the crazy sidekick Harley Quinn! Now join in on the action as Harley breaks her 'pudd'n' out of jail; forms a gruesome twosome with Two-Face; arranges an all-bad-girl slumber party; hires some henchmen; reveals her secret origin; and arranges a heist - on stately Wayne Manor! This first collection of Harley's madcap adventures is presented by author Karl Kesel ("Superman") with fan-favourite pencil-and-ink team Terry and Rachel Dodson ("Wonder Woman") - bad has never looked so good!

• Harley Quinn: Night and Day
• Harley Quinn: Welcome to Metropolis
• Harley Quinn: Vengeance Unlimited
• Batman: Harley Quinn
• Batman: Mad Love and Other Stories
• Harley Quinn Vol. 3: Red Meat (Rebirth) (Harley Quinn: Rebirth)
• Harley and Ivy: The Deluxe Edition (Batman)
• Harley Quinn Vol. 1: Hot in the City (The New 52)
• Harley Quinn Vol. 2: Joker Loves Harley (Rebirth)
• Harley Quinn Vol. 5: Vote Harley (Rebirth)