Sgt. Pepper's Lonely Hearts Club Band (Tie-in Novelization) by Henry Edwards - Vintage Paperback

Based on the musical film set to late-period Beatles hits, Sgt. Pepper's Lonely Hearts Club Band recounts the story of the famed musical group's success during WWI. The band's leader has since died and now it's up to his grandson, Billy Shears, to carry on the legacy. To this end, he recruits the Henderson brothers to help him defend the group's magic instruments from nefarious crook B.D. Hoffler.