THE ENGLISHMAN'S BOY

THE ENGLISHMAN'S BOY Guy Vanderhaeghe (Picador, $24) The power of movies to rewrite history is the fascinating theme fueling this trenchant novel. Canadian writer Vanderhaeghe seamlessly alternates two interconnected stories: In the first, set during Jazz Age Hollywood, a megalomaniacal studio head -- desperate to film an ''American Odyssey'' -- dispatches a budding screenwriter to transcribe the rumored-to-be-astonishing life story of an old bit cowboy actor, Shorty McAdoo. The second, set in the Wild West circa 1873, traces the young McAdoo's real adventures as a wolf trapper whose cohorts wage a horrifying attack on American Indians. As McAdoo's sordid tale evolves into the stuff of patriotic, big-screen legend, Vanderhaeghe's masterful storytelling plays irony against idealism while vividly animating two ruthless American frontiers. A-