"Night" by Elie Wiesel, Is it fiction?

The validity of the book Night, by Elie Wiesel, is questionable. Some say it is non-fiction, others historical fiction, and yet others complete fiction. I believe that this book is non-fiction, though with a few indiscretions on account of the fact that he wrote the book ten years after he experienced the events. One reason for this belief is the way Wiesel writes the book. A second is how he brings humanity into the characters in the book making them much more believable. Reason three is the way Wiesel so bluntly states the atrocities of the Nazis.
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