"Cousin Lucy at Study" follows the story of Lucy, a young girl who is a cousin to the series' main character, Rollo. The novel centers around Lucy's experiences with her studies and her efforts to excel academically. As with many of Abbott's works, the story aims to teach children the values of diligence, perseverance, and the importance of education.Throughout the book, Lucy faces various challenges and obstacles in her academic life. She learns important lessons about the value of hard work, the importance of maintaining a positive attitude, and how to manage difficulties with grace and determination. The story also explores Lucy's interactions with her family and peers, providing moral guidance and encouragement for young readers.