Best Friends Forever: Mazzy The Mermaid Princess - The Chronicles of Mazzy the Mermaid Princess, #2

A mermaid fantasy story of a Princess who conquers not only a powerful spell cast on her by her Grandparents, the King, and Queen of Travestana, located under the Caspian Sea but her own fear of risking her life to save her best friend. Mazzy and Zulu, her best friend and a fish, were inseparable from day one but two years later Zulu goes on a month-long school trip to explore the underground caves and countries along the way to Norway.
Mazzy is forbidden to go until Zulu is trapped and needs her help. Determined to save her friend Mazzy takes on a powerful spell and the most daring adventure of her life.