From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation!

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