Casper Cat and Susie Sheep are best friends. They do everything together. But when Milly Goat comes along, Casper always gets left out. One day, Casper goes to the park with his mother. He sees lots of children, and when they ask him to join in their game, he’s thrilled. But the next time he sees Milly and Susie, they still won’t let him join in! Poor little Casper. What will he do? Janet Thomas is a promising new children’s book author; Alison Bartlett, who was chosen by Quentin Blake as one of his “Baker’s Dozen of Illustrators,” has collaborated on a number of books, including Ten Bright Eyes.