In this Mermaid Tales adventure, Shellys not sure shes ready to be royalty.Not one of the merkids in Shelly Sirens third grade class can believe the shell-shattering news: Shelly is a princess! A real princess! Its been a deep, dark secret in Trident City, but now everyone knowsand Shelly doesnt know how to act. Should she start wearing a glittery crown? Or move to a grand undersea palace? Will her friends have to call her Princess Shelly? She knows its an exciting turn of events, but Shellys not sure she can truly fit the royal part. Can she find a way to be a princess and stay herself?