"Deep in the Bones" is an exciting and soulful book by the Scottish writer Sandra Irwin, which reveals the secret of old family ties and mysterious events of the past. The main character, Kate, decides to solve the mystery of her mother's disappearance by digging through old events and family relationships. This book is not only a work of art, but also a study of human feelings, family relationships and the influence of the past on the present. "Deep in the Bones" is a story about how important it is to find answers to questions that have been hidden in the shadows for a long time, or to accept your past and move on.