Your Last And Worst Nightmare

So this is the book 3 of the Mermaid And Pirates series:
1- Mermaid And Pirates
2- Who Said I Died?
3- Your Last And Worst Nightmare
4- Princess In Hiding...
5- The Fire Sister.

Prologue:

After Red Queen/Blossom's second death who is Princess Morbucks behind all these, Princess got Blossom's body to control the pirates and be their brides. But there was an agent behind all of these that kept stealing and running away while the other princesses were trying to rescue the world from the earthquake that started after 6 years. What will happen next?
Is she died or alive?
And what makes it worst that the before youngest sister was kidnapped by other pirates that were princesses from other kingdom far away from this kingdom.
In the last time, she was just alive and asked them that "who said I died?" But this time, they are seeing "Your Last And Worst Nightmare" in front of them.

{I'm going to write these series on my computer and get them into a real book so wish me luck, plz!}