Newton's Cannon

Newton's Cannon (1998) is a science fantasy novel by American writer Gregory Keyes, the first book in his The Age of Unreason series. The protagonist for the novel is Benjamin Franklin; other key characters to the novel are James Franklin – Ben's brother, John Collins – Ben's friend, as well as Adrienne and King Louis XIV – the Sun King.

The Age of Unreason Series
The other three novels of the series are:
 * A Calculus of Angels
 * Empire of Unreason
 * The Shadow of Gods