In the twenty-first century, advanced technology has become an integral component to how humans interact with the world. Because technology is gradually transforming the lifestyles and compositions of humans, it is important to introduce the concept of posthumanism to current and future generations. Posthumanism questions the definition of "human" and strives to consider how humanity is changing through the exposure and usage of technology. While science fiction narratives commonly portray a posthuman reality as a dangerous and often apocalyptic scenario, recent novels have tried to approach the possibilities of posthumanism with a more optimistic frame of mind. This thesis will analyze Marissa Meyer’s series The Lunar Chronicles through a posthuman perspective to show how her characters Cinder, Wolf, and Iko depict positive images of hybrid beings. Likewise, Meyer’s series proves to be a hopeful introduction to the ideas of posthumanism that can encourage readers to redefine what being human is and contemplate the prospect of living in an inclusive posthuman society.