Geronimo Stilton and friends travel back in time to stop the Pirate Cats from changing the face of the Sphinx.

Brilliant Egyptologist Dr. Julius Kane accidentally unleashes the Egyptian god Set, who banishes the doctor to oblivion and forces his two children to embark on a dangerous journey, bringing them closer to the truth about their family and its links to a secret order that has existed since the time of the pharoahs.

"Current day kids Annie and Nico travel back to ancient Egypt. That's about 4,500 years ago, when the world's largest pyramid was built, The Great Pyramid of Giza. It's also called the Pyramid of Cheops because it was built for the Pharaoh Cheops, who wanted to be buried in it when he died. That's right--pyramids are giant tombs! It was the first of seven buildings known as The Seven Ancient Wonders of the World--and it's the only one still standing!...