Other editions of book The Unknown Spy

Danny Caulfield's quiet Christmas break from Wilsons, the school for spies, is shattered by gunshots and a heartrending discovery about his parents. That same night, he's summoned to Wilsons' to prepare for a mission: under an assumed identity, Danny must find a way to protect the Treaty Stone that keeps peace between the Upper and Lower worlds. Meanwhile, the evil Ring of Five pursues Danny, for he is the "true Fifth"—only Danny can unite the members of the Ring and awaken their full powers as master spies.

In Book Two in the Ring of Five trilogy, Wilsons Spy Academy has called back their most brilliant trainee spy: Danny Caulfield. Danny is to be sent on an urgent mission: to find the treaty stone that protects the Upper World before the Ring of Five, leaders of the Cherbs, destroy it and wage war. Danny and his friend Dixie - a spy who can appear and disappear at will - must set off the Kingdom of Morne to save the stone. But the Cherb children have got there first, and the King of Morne pits Danny against them in a contest for the stone. Lily, a Cherb, reveals to Danny that she is his sister: she urges him to join the Ring of Five with her. Danny is locked into a battle between the two worlds and with himself. Who's side is he on? Wilsons or the Ring of Five? And how much can he truly trust Lily? A high-stakes spy adventure, complete with double crossings, brilliant spy inventions, and a hero who has everything to learn about who he really is.

Danny Caulfield's quiet Christmas break from Wilsons, the school for spies, is shattered by gunshots and a heartrending discovery about his parents. That same night, he's summoned to Wilsons' to prepare for a mission: under an assumed identity, Danny must find a way to protect the Treaty Stone that keeps peace between the Upper and Lower worlds. Meanwhile, the evil Ring of Five pursues Danny, for he is the "true Fifth"—only Danny can unite the members of the Ring and awaken their full powers as master spies.From the Hardcover edition.

Danny Caulfield's quiet Christmas break from Wilsons, the school for spies, is shattered by gunshots and a heartrending discovery about his parents. That same night, he's summoned to Wilsons' to prepare for a mission: under an assumed identity, Danny must find a way to protect the Treaty Stone that keeps peace between the Upper and Lower worlds. Meanwhile, the evil Ring of Five pursues Danny, for he is the "true Fifth"—only Danny can unite the members of the Ring and awaken their full powers as master spies.

Danny Caulfield's quiet Christmas break from Wilsons, the school for spies, is shattered by gunshots and a heartrending discovery about his parents. That same night, he's summoned to Wilsons' to prepare for a mission: under an assumed identity, Danny must find a way to protect the Treaty Stone that keeps peace between the Upper and Lower worlds. Meanwhile, the evil Ring of Five pursues Danny, for he is the "true Fifth"—only Danny can unite the members of the Ring and awaken their full powers as master spies.From the Hardcover edition.

Danny Caulfield's quiet Christmas break from Wilsons, the school for spies, is shattered by gunshots and a heartrending discovery about his parents. That same night, he's summoned to Wilsons' to prepare for a mission: under an assumed identity, Danny must find a way to protect the Treaty Stone that keeps peace between the Upper and Lower worlds. Meanwhile, the evil Ring of Five pursues Danny, for he is the "true Fifth"—only Danny can unite the members of the Ring and awaken their full powers as master spies.From the Hardcover edition.