The Black God's Drums by P. Djèlí Clark

In an alternate, steam-powered 19th-century New Orleans, a bold street orphan nicknamed Creeper teams up with a charismatic airship captain to steal a mysterious drum-powered weapon tied to a powerful loa whose awakening could upend the region’s balance of power; amid airship chases, political intrigue, and the legacies of slavery and resistance, Creeper confronts danger and discovers courage, loyalty, and the meaning of freedom in a tight, atmospheric adventure that blends magic and history.

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