Back in print! Entertaining, meticulously researched and surprising in its details (who knew it was the site of the first railway suspension bridge and the inspiration for alternating current?), Pierre Berton's engrossing social history of Niagara dives into this "noble cataract" as a touchstone for the aspirations of engineers, businessmen, dare-devils and adventurers over the last 100 years.  (GLK02, $24.95)