"The Shadow Lines" is a novel that explores themes of memory, family, and national identity through the eyes of a young boy and his experiences growing up in Calcutta, India. The narrative is framed by two major historical events: the 1964 Dhaka Riots and the 1942 World War II. The protagonist's relationships with his family and his personal experiences are juxtaposed with these events, highlighting the complexities of identity, memory, and the lasting impacts of historical events on individual lives. The novel also delves into the arbitrary nature of national borders and the shadow lines they draw between people and their histories.

The novel explores the crumbling marriage of a Bengali woman and her Greek husband. The narrative alternates between Kolkata, India, and London, England, and spans over a decade, capturing the protagonist's emotional turmoil, her struggle to reconcile her Indian heritage with her Western lifestyle, and her eventual decision to leave her unfaithful husband. The novel is rich in poetic language and imagery, and it delves deep into themes of identity, cultural displacement, and the complexities of love and betrayal.

The book is a lyrical exploration of the nuances of everyday life, as seen through the eyes of a young boy during his summer visits to his extended family in Calcutta. The narrative delves into the boy's experiences and observations, capturing the essence of the city's vibrant culture, the idiosyncrasies of his relatives, and the slow rhythms of daily existence. Through a series of vignettes, the story paints a portrait of family life, the passage of time, and the subtle interplay between tradition and modernity in urban India.