"The Serpent's Tooth" by B. M. Croker is a novel written in the early 20th century. The narrative is set in the English countryside, focusing on the lives of Colonel Tom Fenchurch and his wife Dorothy, who welcome their orphaned niece Letty Glyn into their home. Their comfortable domestic life is disrupted as they navigate the complexities of family dynamics, societal expectations, and the potential for Letty's future. The opening of the book introduces Colonel Fenchurch and his wife Dorothy as they prepare for the arrival of Letty, who has been living in Germany and is now returning to live with them. While Tom is excited and eager to welcome her, Dorothy appears less enthusiastic, indicating underlying tensions about Letty's presence. The couple's contrasting attitudes foreshadow complications in their relationship with Letty as the story unfolds. Early glimpses reveal Letty's sweetness and potential, setting the stage for her struggle for acceptance within her new family and community, while also hinting at themes of jealousy and competition that will likely emerge as she finds her place in this dynamic. (This is an automatically generated summary.)