By Tina Jordan
Updated December 14, 2007 05:00 AM
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Scotland Yard inspector Ian Rutledge, scarred by his time in the trenches during WWI and haunted — literally — by the ghost of a fellow soldier, investigates a perplexing series of murders in Yorkshire.

Grisliest Death
A man is found in the shadows of an abandoned abbey, wrapped in a cloak, an ancient gas mask strapped to his face.

Bottom Line
This deft psychological period piece, A Pale Horse, may be the best yet by Charles Todd, a pseudonymous mother-son writing team. A