What with the economy dangling on a thread and one of the scariest election run-ups in history, you'd be forgiven for not remembering that it's National Book Month! But Sony is kindly reminding us with a less-than-inspired stunt to promote its E-Book device: Dave Farrow, a "speed-reading guru," will be sitting in the window of the Datavision electronics store in Midtown reading for 14 hours a day for the next 30 days.