"Who knows why the Beatles happened?" John Lennon asked in 1980: if anyone did, it would be the Fab Four themselves, who tell their own storyDwith plenty of visual aidsDin this giant compendium. Festooned with more than 1,300 photographs, posters and documents (many in color), the weighty (6.6 lbs.) volume offers the Beatles" "own permanent written record of events up to 1970," some of it previously published, but much of it transcribed from new or unpublished interviews. Paul, George, Ringo and Beatles-related folks (Brian Epstein, George Martin, Derek Taylor) contribute text from interviews conducted for the book and for an accompanying TV program. Words from the late John Lennon have been gathered from print, broadcast and manuscripts (each with an indicated date), then spliced together to create coherent pages and paragraphs. The book opens with the band members" separate accounts of their childhoods, then moves into a year-by-year organization that allows for great detail and...