Mystery in Disguise #2Letters to important parts of our history that are valuable suddenly are missing, where have they gone? That’s a mystery!
Mystery in Disguise #1Mansions, scepters, tours, all wonderful things the Great Grades Kids have been able to see, but it all changes when the scepter’s missing!
Mystery in Disguise #4Oh no! The Great Grades Kids have been accused of emptying an office on April First, but who actually did it!