In book three of the Major Eights series, Maggie has to ace her science fair project or she won't be able to perform with the band at the annual arts banquet! Maggie is thrilled to perform with the Major Eights at the school's annual arts fund-raising banquet. But when Maggie's science grade starts slipping (her one difficult subject), her mom refuses to let her play at the banquet unless she can get an A on her science fair project. Can Maggie and the girls find a way to make sure Maggie aces the project?