"The Last Oracle" is a science fiction novel by James Rollins that combines elements of adventure and mystery. The story follows a team of scientists and adventurers as they uncover an ancient prophecy linked to the Oracle of Delphi. Their quest leads them to explore themes of fate, knowledge, and the power of ancient civilizations. As the characters delve deeper into the mystery, they face various challenges, including a secret society and a deadly virus. The narrative weaves together historical facts and speculative science, creating a thrilling experience that keeps readers engaged until the very end.