Paul Doherty worked as the senior staff scientist at San Francisco’s famed Exploratorium Museum. He is the co-writer numerous books, including The Exploratorium Science Snackbook, Explorabook, and the Klutz Book of Magnetic Magic. He received his PhD in solid state physics from MIT.
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May 1381. The Great Revolt draws ever nearer. The Upright Men openly roam the streets of London, waiting for the violence to begin. Their mysterious envoy, the Herald of Hell, appears at night, terrifying those who oppose them. But who is he? When his cha... SEE MORE