From the author of modern classic The Lost Art of Keeping Secrets comes a feel-good novel about hope, love and the powerful bond between sisters.   It’s 1990. The Happy Mondays are in the charts, a 15-year-old called Kate Moss is on the cover of the Face magazine, and Julia Roberts wears thigh-boots for the poster for a new movie called Pretty Woman.   February Kingdom is nineteen years old when she is knocked sideways by family tragedy. Then one evening in May she finds an escaped canary in her kitchen and it sparks a glimmer of hope in her. With the help of the bird called Yellow, Feb starts to feel her way out of her own private darkness, just as her aunt embarks on a passionate and all-consuming affair with a married American drama teacher.    THIS COULD BE EVERYTHING is a coming-of-age story with its roots under the pavements of a pre-R