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[Note: The following report pulls together several reports on a similar topic for clarity.]
Trebla: Lastly....someone mentioned to me that George stated that he might want to someday write a book about Aegon IV. Does anyone remember George saying that? Again, this is 2nd or 3rd hand info, so I'd like to see if we can clarify it.
Ghost of Nymeria: In the discussion of anti heros, in the tradition of Flashman and etc, he said that he would like to do a book on Aegon the fourth.
Padraig: Yup...GRRM was quite attracted by the idea of writing a book based on the POV of a "villain" like Aegon IV. But I don't think we have to worry about it coming out anytime soon.
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