Cinderella and Her Prince (Alex and Katie Book 5) 俄國民間故事5：灰姑娘和他的王子

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Cinderella and Her Prince: Adventure Five (Adventures of Alex and Katie Book 5) 
現代化的俄國民間故事系列第五卷
http://www.amazon.com/dp/B00PHS4KBA/

Blurb:

Alex and Katie embark on a new adventure, more exciting and more dangerous than ever before. They have to help Cinderella find her Prince who disappeared during an afternoon horseback ride. Everyone in the Palace is worried about the Prince and about Cinderella. What happened to him? Did he get lost? Was he kidnapped? Is he still alive? And will he and Cinderella ever be together again?

It is up to Alex and Katie to solve this mystery, rescue the Prince, and help Cinderella live happily ever after.