It's going to be a great weekend! Karen has new roller skates and is a very good skater. She's looking forward to trying some new tricks. But, oh no! Karen falls down and has to go to the hospital. Her wrist is broken! Karen is determined to get everyone she knows -- plus someone famous -- to sign her cast. It isn't going to be easy, but she won't give up until the job is done--

Warned not to try out her new skates, Sammy straps them on anyway, resulting in a wild ride through town.

From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! "Play the ringtoss!"One day Karen, Hannie, and Nancy are bored, bored, bored. They can't go roller-skating, and the playground is too far away. So Karen decides to have a carnival, with all kinds of games and prizes! What will the girls do with the money they make from their carnival? Hannie wants roller skates--but Karen can think...