In book four in the Tales of Sasha series, Sasha has to pass the Princess Test. . . . But is she princess material?

Sasha has just discovered that she is a princess of the flying horses! But before she can attend to any princess duties, she has to pass a Princess Test. In order to pass, she'll have to learn how to act regal, and she'll have to learn all about the history of the flying horses. But Sasha struggles with these things, and she isn't sure what to do. Will she find a way to pass the Princess Test?