The book ‘Must Love Flowers’ is written by Debbie Macomber. ‘Must Love Flowers’ is a heartwarming novel and the story is about two women, Joan Sample and Maggie Herbert, at different stages of life. In the story, Joan, a widow and empty-nester, begins to re-engage with the world as Maggie, a barista and nursing student, finds hope in her new life at Joan’s home.