Where did Harley Quinn meet the Joker? What are the names of her pet hyenas? Who does the Clown Princess of Crime turn to when she needs a helping hand? Uncover a treasure trove of info about Gotham City’s jolly jester. Featuring captivating text, quick lists, fun quizzes and more, this behind-the-scenes bio is bursting with fantastic facts and super secrets! It has everything young readers never knew they needed to know about Harley Quinn! Part of the DC Secrets Revealed! series.