One can have fun alone, thinks Everett Anderson. And when it's just Everett and his mama-- well, two is fine, too. But three...Everett tries to understand why Mama and Mr. Perry like to spend so much time together, although it's hard, at first. But after a while, Everett admits that "three can be crowded or be just right or even too many." He thinks he just might get used to that number, after all!