Caleb Carr's gaslit narrative style has gained a touch of weight since his agreeable turn-of-the-century detective novel The Alienist (1994), but perhaps no more than success justifies. The reader is inclined to nod indulgently--at the new novel's 629 pages, at the rustle of the writer's smoking jacket and at the swirl of the great man's brandy. That's the illusion--author as Basil Rathbone--that Carr, 42, persuades us to believe in.
He works hard at making The Angel of Darkness (Random House; $25.95) as impudent and beguiling as The Alienist and for the most part succeeds. The old gang is back: Miss Howard,...