As a mute, burly German peasant is helping British soldiers move a fallen tree, he's struck on the head. When he regains consciousness he calls out to the astonished Major Manning, using his nickname "Monkey"—in perfect English.

Sally Meredith's young life has been full of adventure. As a suffragist, she fought for women's right to vote. She drove an ambulance in France during the war. And she's already had a proposal and a broken engagement. But the past few years have been deadly dull, taking care of a cranky relative and now living alone in a quiet village. So when her eccentric uncle Fritzi arrives with the tale of his most recent invention - a deadly gas that nations are striving to get hold of - she's intrigued.

Amabel Grey, a widow with a modest income, needs money. Fast. Her spoiled daughter Daphne has an opportunity to go with friends on holiday, and she's convinced it will end with a lucrative marriage proposal. But where to find 200 pounds? She overhears a client requesting the lawyer find someone to live in his Dower House for six months. The stipend is 200 pounds! And she knows the house, having visited 20 years before. The catch? Previous tenants have been driven away by strange happenings, and the village is convinced the place is haunted. The owner wants the rumors to stop.

Sir John Waveney has inherited Waveney Hall. A veteran of the Great War himself, his inheritance has come because of the deaths in action of his two distant cousins, leaving him as the next male heir. He hopes to make the acquaintance of his two remaining cousins, Lady Jenifer Marr and Anne Belinda. But Lady Marr proves very vague about her twin sister's whereabouts. Is she traveling with a friend or (as has been intimated) has she been incarcerated in a mental institution? No one seems to actually know, and several people seem bent on frustrating John's attempts to find her.

The first of the classic mysteries featuring governess-turned-detective Miss Silver, who investigates a deadly conspiratorial ring. Charles Moray has come home to England to collect his inheritance. After four years wandering the jungles of India and South America, the hardy young man returns to the manor of his birth, where generations of Morays have lived and died. Strangely, he finds the house unlocked, and sees a light on in one of its abandoned rooms. Eavesdropping, he learns of a conspiracy to commit a fearsome crime.