This book is not a collection of stories about Two-Face and the Riddler. There is one Riddler story and no stories featuring Two-Face. However, the stories you do get are ample compensation for the false advertising. Several stories feature the Penguin and Catwoman as well as the Joker's version of 'Casablanca' and a wierd look at the Joker's warped childhood.
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Knightfall: Broken Bat
Used availability for Martin H Greenberg's Tales of the Batman
July 1997 : USA Hardback