Murder at the Margin: A Henry Spearman Mystery

The Mystery of the Invisible Hand: A Henry Spearman Mystery

致命的均衡：哈佛經濟學家推理系列

邊際謀殺：哈佛經濟學家推理系列

奪命曲線：哈佛經濟學家推理系列

A Deadly Indifference: A Henry Spearman Mystery