"The Thea Sisters are thrilled about the new performing arts program being offered at Mouseford Academy. That is, until they meet the head of the department--the demanding and strict Professor Ratyshnikov. The mouselets will have to audition just to get into her class! On top of that, the famouse ballerina is an old friend of Headmaster de Mousus, but the two no longer get along. It's up to the Thea Sisters to find out why." -- Page [4] cover.

Welcome to the world of the Thea Sisters! To celebrate Mouse Academy's 600th anniversary, the headmaster and teachers decide to stage a performance of William Squeakspeare's favorite play Mouseo & Juliet! The Thea Sisters all want the part of Juliet, but so does their rival, Ruby Flashyfur. Who will be the star of the show?

"For the first time ever, Mouseford Academy is offering a course in outdoor survival skills, and it's being taught by the athletic, adventurous Bruce Hyena! All five Thea Sisters sign up, along with the Ruby Crew. But when a terrible storm hits during the two-day outdoor challenge, there are mouselets in danger! Who will come to the rescue?" -- Page [4] cover.

The Most Famouse band on the Mouse Island, the Ratstreet Boys, is performing at Mouseford Academy! The band's producer, Mark Mousington, is auditioning student bands as the opening act. Can the Thea Sisters win the spot as the opening band?

The students of Mouseford Academy are participating in an enormouse science fair! Mice from schools around the world are all hoping to take the top prize. The Thea Sisters would love to win, but so would Ruby Flashyfur and she's willing to do whatever it takes! Can these mice play nice, or will the science fair be a total flop?