Ready Player One, written by Ernest Cline, is a science fiction novel set in a dystopian future where people escape the harsh reality by immersing themselves in a virtual reality world called the OASIS. The story follows Wade Watts, a teenager on a quest to find an Easter egg hidden within the OASIS by its creator. The book is filled with pop culture references from the 1980s and is a thrilling adventure that explores themes of virtual reality, gaming, and the power of imagination.