"Isn't Tiny lovely?" Grandpa said. "No," said Tiger. "She keeps crying" Tiger doesn't think Tiny Tiger is much fun - and he's alarmed to hear Grandpa say that one day she'll grow Bigger! Does that mean his baby sister will get to have all his toys? But with a little soothing of ruffled fur from Father Tiger, Tiger learns to accept the new member of his family and finds out that being a big brother can be Fun!