For every kid who has ever had trouble sharing a special toy.
Peanut has a new ball and her big sister, Fifi, wants to play with it. Peanut doesn't want to share, so Fifi tries to entice her with the many different imaginary games they could play with the ball—they could tell fortunes, or have a bakery, or let a seal balance the ball on its nose! Peanut is NOT convinced, until Fifi comes up with a spectacular imaginary adventure that Peanut can't refuse: a trip to space! But is it too late for her to join the game? 
Illustrated in bold graphics and bright colors by an illustrator Maurice Sendak calls "an artist with a superb eye for line and composition," here's a story where the older sibling doesn't always have the upper hand.