*Percy Jackson & The Olympians: The Last Olympian* is the fifth and final book in the *Percy Jackson & The Olympians* series by **Rick Riordan**, published in 2009.

In this concluding installment, Percy Jackson faces the ultimate challenge as he battles the Titan Kronos, who is threatening to destroy Olympus and take over the world. As the prophecy of the Titan’s curse comes to fruition, Percy must rally his friends, confront his own fears, and make crucial decisions to save both the mortal and divine worlds. *The Last Olympian* combines action, mythology, and heroism, bringing the epic series to a dramatic and satisfying conclusion.