"Ready Player Two" is a science fiction novel by Ernest Cline, serving as a sequel to the popular book Ready Player One. The story continues the adventures of Wade Watts, who discovers a new technology that allows users to experience virtual reality in unprecedented ways. This new device, called the OASIS, introduces challenges and quests that test Wade and his friends. As they navigate this immersive world, they encounter new characters and face threats from those who seek to control the OASIS. The novel explores themes of friendship, identity, and the impact of technology on society, while incorporating various pop culture references from the 1980s and beyond.