A Matter of Gravity

A Matter of Gravity first appeared in Analog in October 1974, and is collected n the collection Lord Darcy Investigates''

Characters

 * Jillbert, Count de la Vexin
 * Lord Gisors, only son of Count de la Vexin
 * Evelynne de Saint-Brieuc
 * Madelaine MacKenzie
 * Lady Beverly de la Vexin
 * Sergeant-of-the-Guard Andray MacKenzie
 * Guardsman Jaime
 * Jaque toile, Chief Master-at-Arms for the city of Gisors
 * Lord Darcy
 * Sean O'Lochlainn
 * Doctor James Pateley
 * Sergeant Paul
 * Sergeant Bertram
 * Corporal-of-the-Guard
 * Rev'd Fr Villiers
 * Sir Roderique MacKenzie
 * Captain Lord Louis de la Vexin
 * Journeyman Emile, forensic sorcerer to the county of Vexin
 * Fr Dubois, from the monastery at Gisors
 * Richard, Duke of Normandy

Magic
The following Laws of Magic, magic spells and magical effects appear in A Matter of Gravity.
 * Law of Contiguity
 * Cattell Effect