"In a world dominated by the brutal Vathek empire, eighteen-year-old Amani is a dreamer. She dreams of what life was like before the occupation; she dreams of writing poetry; she dreams of having adventures, and travelling beyond her isolated home. But when adventure comes for Amani, it is not what she expects: she is kidnapped and brought to the royal palace, where she discovers that she is to become a body double for the hated princess Maram"--

When an impostor attempts to take over "The Rodent's Gazette," Geronimo Stilton enlists the aid of his sister, Thea, and his cousin, Trap, to reverse the scheme.

When a rescue goes awry and results in the death of something precious, the devastated Guinevere, impersonated by a changeling witch, returns to Camelot to find the greatest threat yet--the real Guinevere's younger sister.

Publisher Annotation: Frey has spent her life in a family of deceivers, a stand-in for her sister, manipulated at her father's command. Free from them at last, she is finding her own voice -- and using it to question everything her family stood for. Tally was once the most famous rebel in the world. But for over a decade, she's kept to the shadows, allowing her myth to grow even as she receded. Now she sees that the revolution she led has not created...