Geronimo travels to Egypt to interview Professor Alrat Spitfur and learns the secret of the Seven Wonders of the Ancient Mouse World.

Presents books twenty-two and twenty-four in the Geronimo Stilton adventure series in which Geronimo is mouse-napped by his old friend Creepella von Cacklefur, and finds himself at Niagara Falls with his nephew Benjamin's class, who are determined to send him over the Falls in a barrel.

Geronimo travels to Ratzikistan to help his grandfather write a guide book about this remote area.