The One Plus One is the beautiful, poignant and utterly compelling new novel by the internationally bestselling author Jojo Moyes.One single mumWith two jobs and two children, Jess Thomas does her best day after day. But it's hard on your own. And sometimes you take risks you shouldn't. Because you have to . . .One chaotic familyJess's gifted, quirky daughter Tanzie is brilliant with numbers, but without a helping hand she'll never get the chance to shine. And Nicky, Jess's teenage stepson, can ...