Question: What kind of book is the coldest winter ever?
Disambiguated questions and answers: question: What kind of book is The Coldest Winter Ever in terms of sales figures?
What kind of book is The Coldest Winter Ever in terms of accolades it has gotten?
What genre of book that describes a work's "merit" is The Coldest Winter Ever?
What genre of book is The Coldest Winter Ever in terms of its setting?
What kind of book is The Coldest Winter Ever, considering that it is a relatively long work of narrative fiction?
What kind of book is The Coldest Winter Ever, considering that its events are imaginary?
answer: best-selling
award-winning
literary fiction
urban fiction
novel
fiction
Natural Questions answer: Literary fiction
Urban fiction (from the Wikipedia article "The Coldest Winter Ever")