Kristy and the Snobs is the eleventh book in the original The Baby-Sitter's Club series by Ann M. Martin. Kristy moves to a new neighborhood following her mother's marriage in Book #6 Kristy's Big Day, where she is feeling inferior to the other residents, especially when they make fun of her sick dog, Louie Thomas. Also, a new associate member joins the club.
Kristy has a hard time fitting into her new neighborhood and thinks the other girls in the neighborhood are snobs. When she first meets Shannon Kilbourne, they instantly hate each other and start pulling pranks on each other.
Later, Shannon confesses that she was jealous of Kristy's success with the Baby-sitters Club and the jobs that Kristy was getting that used to go to Shannon. They end up becoming friends and Shannon becomes an associate member of the BSC.
Kristy babysits for new clients, The Delaneys and she & the BSC deal with their spoiled children, Amanda and Max.
The Thomas-Brewer family's collie dog, Louie is getting ill & old which forces the family to put Louie to sleep. The family throws a funeral for Louie and in the end, they adopt one of Shannon Kilbourne's puppies and named it "Shannon."
Mary Anne babysits for the Perkinses where Myriah & Gabbie are helping prepare the room for their new baby sister. When Jamie Newton visits the girls, he says that he wanted to call his baby sister "stupid-head" which makes Gabbie upset. To help cheer Gabbie up, Myriah & Mary Anne throw a tea party for Gabbie and her toys.
Dawn babysits her younger brother, Jeff, who gives her a hard time & yells at her which upsets her. At the next club meeting, Dawn appears visibly upset over what happened.
Claudia helps out Mallory Pike with her siblings (Adam, Jordan, Byron, Margo, & Claire), who are sick with the chicken pox. Nicky and Vanessa are unusually cranky and they keep fighting with each other. In the end, it's discovered that they have the chicken pox as well as their other siblings.
Kristy's mom got married again last summer and now Kristy and her family live in a new neighborhood. The kids aren't very friendly. In fact, they're... well, snobs. They criticize Kristy's clothes. They make fun of the Baby-sitters Club. And worst of all, they laugh at Louie, Kristy's pet collie, who's going blind. Nobody does that and gets away with it!
Kristy's fighting mad — and she's not going to put up with it much longer. If anyone can beat a Snob Attack, it's the Baby-sitters Club. And that's just what they're going to do!