Coco Simon

Katie thinks Callie might want to be friends again after the leader of the Popular Girls Club moves away, but realizes that is not the case when Callie announces they will be baking cupcakes for the school fundraiser.

Katie's Cupcake Club friends all have other activities besides making cupcakes, and Katie sets out to find the right sport for her.

When Mia arrives at her new school, her goal is to be open to and friendly with everyone, but everyone at Park Street School fits into a clique. When the Popular Girls Club takes an interest in Mia's awesome fashion style and wants to recruit her, Mia must decide between them and her great new Cupcake Club friends. It's like choosing between her divorced mom and dad and her old house and new house. Is it always going to be Mia in the middle, or can...

Mia, who dreams of working in fashion someday, joins the fashion club at school, but wonders if she can manage being in two clubs at the same time or if she will have to choose between the Cupcake Club and the new fashion club.

The Cupcake Club helps Katie out when Olivia accuses her of getting preferential treatment from their math teacher, who is also Katie's mom's new boyfriend.

"Katie's mom asks Katie for a huge favor: will she spend some time with Emily, her boyfriend's daughter? Katie agrees and brings Emily to a Cupcake Club meeting. Things go well--almost too well. Everyone likes Emily so much, Katie wonders if her friends like Emily more than they like her! And if her mom marries Emily's dad, will Emily become her favorite daughter? Katie is an only child, so all this sibling stuff is new to her. She's starting from...

When Olivia, the new girl at school, says something nasty to Alexis in the hallway and has all the girls in the Best Friends Club teasing her, Alexis starts to wonder if Olivia misunderstood something she said.

Emma is tired of having to babysit her brother Jake, but when they have to go to the same summer camp, she has to watch him everyday on the bus and she feels like she cannot catch a break.

"When Emma's little brother Jake looks after the neighbor's dog in preparation for getting his own puppy, the pet goes missing and Emma and the rest of the girls have to find it before the owner comes home"--OCLC.

Mia struggles to be nice to the new girl, Olivia Allen, after she makes pains to be nice and loans her some money only to discover that Olivia spends it to buy the exact same shoes for which Mia has been saving.