In our view, books are for big narratives. We are not seeking narrow claims that be causally identified with precision. Books give an author the space to make big claims and support them with an (over-)abundance of evidence. This is the type of thinking we want to foster. 2/

Obviously, books in the series must have a historical element. We want books that take the history seriously and ask questions motivated by historical context … not questions that can be answered only because one has found a historical data set. Questions and context matter! 3/