Input: concept: Suzanne Collins  answers:  ['Gregor and the Prophecy of Bane', 'Gregor and the Marks of Secret', 'FIRE PROOF', 'Gregor and the Code of Claw', 'The Underland Chronicles Book Three', 'When Charlie McButton lost power', 'Gregor and the Curse of the Warmbloods', 'Catching Fire', '12', 'Gregor the Overlander']
Output: 

 what children's books did suzanne collins wrote?