Journalist Turned Novelist Ward Just.

As a reporter, Ward Just covered the Vietnam War and, later, Washington politics. Now, he devotes himself to fiction writing. While his novels often draw on his knowledge of D.C. culture, Just is careful to invent his own characters, rather than use fictionalized versions of real politicians.

Roth, who has been writing novels for more than a half-century, explains how he comes up with his ideas — and why he continues to write every day. In his latest work, Nemesis, he imagines a fictional polio outbreak set in his hometown of Newark, N.J., during the 1940s.

Vollmann's latest book, "Fathers and Crows," is a historical novel that's part of his Seven Dreams Series. It's about "the spiritually charged wars of belief" between the Iriquois and French Jesuits in Canada from the 16th to 18th centuries. He's also written about Afghanistan and prostitution.