Ninjas & Princesses (TMNT Book 2)

It's been a year since the girls discovered their powers. They have lived happy lives with their families and the turtles. But an old evil returns, along with new villains' planning to destroy Earth. The girls will work together with the turtles to help protect their families and the people of Earth. But will everything they have learned be enough? Or will something else get in the way of their happiness?