When a fight breaks out among the members of the Babysitters Club, timid Mary Anne finds herself becoming more assertive as a baby sitter and in her relationships with her father and friends.

Karen thinks her neighbor is a witch and is having a big witch's meeting.

"Everybody used to love Karen. She was cute. She was the little sister. But now baby Emily is in their family, and Karen feels left out. Then Emily gets sick and everybody has to take care of her. Even Karen. And that's when Karen finds out that being a big sister is the most fun of all!" -- Back cover.

Karen has a real bad luck day--her favorite jeans are missing, no prize in the cereal box and her cat runs away.

"It's Karen's birthday! She can't wait for all those presents. Karen is even having two parties, one at Daddy's house and one at Mommy's. But what Karen really wants for her birthday is one party, with her whole family together. Will Karen's birthday wish come true?"--Provided by publisher.

From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! Swimmers, take your marks!Karen has joined the swim team! She loves dreaming about winning medals and learning to swim fast. But mostly she likes to have fun with her swim team friends. Then the coach starts acting mean. He says the team is not working hard enough. Can Karen find a way to be a winner and have fun too? ...

Karen feels like an ugly duckling with her baby teeth falling out, having to wear glasses and an ugly haircut.

Karen's going to have her first sleepover ever.

Karen has three older brothers and sometimes they are a pain. She is so mad, she decides not to talk to any boy and maybe then her brothers will stop treating her like a girl.

Karen lends a very expensive doll to a sick friend and now is worried that she might not get it back.