This paper analyzes the themes in John Green's novel The Fault in Our Stars. The main themes identified are friendship, dreams, hope, illness, family, and love. The story follows Hazel, a teenage cancer patient, who meets and falls in love with Augustus Waters at a cancer support group. While they find happiness together, Augustus ultimately passes away from cancer. The novel conveys messages of making the most of life, finding love in unexpected places, and how suffering can teach us important life lessons.