Margaret
A skeptical college professor discovers that his wife has been practicing magic for years. Like the learned, rational fellow he is, he forces her to destroy all her magical charms and protective devices, and stop that foolishness. He isn't put off by her insistence that his professional rivals are working magic against him, and her protections are necessary to his career and life.
Captains John Fellows and Henry Wynne-Walton finish their Army training at Sandhurst Military Academy and are sent to the Middle-East. John is to lead a parachute battalion while Henry is put in charge of a platoon of armoured cars of the Household Cavalry. John is constantly being told by his father, an ex-Guards officer that he is not as good as his brother who was killed during the war.