The Tenth City

The Tenth City is the third book in Patrick Carman's trilogy of novels, The Land of Elyon.

Plot
Alexa goes back to Bridewell to rescue her friend Yipes with Warvold, Armon, and the rest of the animals. After the death of Thomas Warvold, the brother of Roland Warvold, Alexa learns that Catherine and Thomas were her parents and her foster parents are Catherine's sister Laura and her husband James Daley.