All about Dover's tantrums and how he's cured of them, this combines a developmental theme with a little word play--Dover can't throw a ball or a party, but he can throw a tantrum ""better than anyone else""; and whenever Dover goes into one of his numbers Keller breaks into italicized rhyme. But the rhyme gets stiffer as Dover gets wilder, and from start to finish both Dover and Keller seem to be just going through the motions. Dover stages his first tantrum when his parents tell him he has to stay with his grandmother while his mother has a baby, his second when the first one doesn't work, and the third at his grandmother's when she won't let him go home. But he is taken aback when he sees her stomping and yelling and pounding and kicking, and though it turns out that she's only nailing a loose floorboard, pushing a stuck door, etc., he concludes ""that tantrums will never be the same for him."" An unconvincing recovery--and Chwast's drawings, which try for kooky humor, are just as often plain awkward.