Black Jack Justice (60) - The Learner's Permit

They say that a little learning is a dangerous thing, my friends, but in all fairness, they don't usually mean the life-and-limb variety. But when a would-be writer of hard-boiled fiction hires a certain team of his and hers private detectives to help his prose ring true, he had better drink deep or think twice about the whole "Pierian spring" business.