This beautiful, moving novel of mothers and daughters and the secrets they share will fill hearts with love and light this Mother's Day... Happy Birthday, darling girl... Ever since she can remember, Roisin has received a birthday card from her mother, the mother she has never met. Brought up by her adoptive parents, Keeley and Doug, Roisin has wanted for nothing. But on her thirtieth birthday a letter comes that shakes her world. For Keeley, who's raised Roisin as her own, the letter reminds her of a guilty secret she's been hiding for thirty years. And for Nell, keeping watch in the lighthouse, the past is a place she dare not go. Until a young runaway arrives seeking shelter, and unwraps the gift of hope for them all...