I was editing a passage in my novel CONDUCT IN QUESTION, the first in THE OSGOODE TRILOGY. The villainous Florist was about to march down the stairs to kill the young man, Donnie, hiding in the cloakroom. The boy had soaked the stair carpet with gasoline and was about to set it on fire. Would that, I debated, cause the impressive explosion of flames I had described? Who could give me advice on pyrotechnics? Moments later, when the doorbell rang, I was stunned to find two fire…

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