They met and became best friends in Aggie and Ben. They learned to behave in Good Dog, Aggie. Now Aggie and Ben must conquer their fears in their third book for beginning readers. Aggie has to go to the vet, but it's Ben who needs to be brave as he deals with a night without his best friend. When Aggie returns home, she is unable to play. Ben must do his best to take care of her and make her feel better.