Karen's Roller Skates - (Baby-Sitters Little Sister #2)

It's fun to be a Baby-sitters Little Sister! Karen will try anything! Karen has new roller skates. She is a very good skater. She can ever do tricks. But oh, no! Karen falls down and breaks her wrist! She has to go to the hospital and get a cast. Karen wants somebody famous to sign her cast. It isn't going to be easy-but Karen won't give up till she gets the job done!