Stead, Rebecca  <br/><br/>
Goodbye stranger 
Rebecca Stead  
 - New York  Wendy Lamb Books  2015 
 - 289 p. 
<br/><br/> In this amazing adventure, Thea's friends, the Thea Sisters, head to Peru, where a good friend of Paulina's is in danger. There, the five mice climb the Andes mountains in search of a mysterious treasure that's hidden in the Secret City of the Incas. Original. 
<br/><br/><label>ISBN: </label>9780385743174 
<br/><br/><label>Subjects--Index Terms: </label>Best Friends  Friendships  Middle Schools