Callie Barkley

Taking a turn caring for the class pet hamster, Marion is devastated when the hamster goes missing and she receives an anonymous letter in her locker with clues leading to a mysterious scavenger hunt.

Amy so looks forward to meeting her future stepsister, Chloe, that she is not prepared when Chloe first ignores her then is downright mean.

When a broken ankle forces Marion to withdraw from the horse show, she finds a way to stay active by helping her friends at the Critter Club animal shelter find homes for a litter of kittens.

"When Ellie learns that her cousin is getting married, she’s really excited! She has always wanted to go to a wedding. But then she gets even better news when her cousin asks her to be a flower girl! Then the Critter Club gets the cutest guest Ellie has ever seen: a little French bulldog. Ellie works hard to find a home for the puppy, but she’s worried she won’t be able to. Suddenly she has an idea that will guarantee that the puppy lives happily...

"Amy’s stepsister, Chloe, is coming to town! Amy can’t wait to take her to the big gemstone exhibit at the museum, but she’s even more excited to introduce Chloe to her friends. And when she does, the girls all love Chloe. At first Amy is happy, but then she starts to wonder if her friends like Chlore more than they like her! Even the snake they’re taking care of at the club seems friendlier to Chloe! Has the Critter Club found a new member—or...

While her friends in the Critter Club babysit frogs, second-grader Marion enters a fashion design contest.

"Ellie is paired up with a classmate, Paul, on a special dance number for the school play. But right from the start, Paul gives her the cold shoulder! Will Ellie and Paul be able to patch things up in time to take the stage together? Meanwhile, Marion, Ellie, Liz, and Amy rescue an adorable kitten named Tiger...but he can’t stop causing mischief in the Critter Club barn! Can the girls team up to help Tiger—and find him a new home?"--back cover....

"When Amy meets the owner of a brand-new puppy at her mom's vet clinic, she agrees to help the woman train her new pet. Amy does such a great job, she starts getting calls from more puppy owners! Things go great for a while, but soon, Amy is in way over her head. She can't say no to a puppy in need and has taken on way too many clients! Amy barely has time for school or her friends in between all the puppies. Can she dig herself out of this hole before...

"Ellie’s favorite holiday is coming up: Halloween! She and friends plan to decorate the Critter Club barn and throw a costume party for neighborhood pets! But they soon realize they’re not alone in the barn. A bat friend has somehow gotten trapped inside. Ellie isn’t sure how to care for a wild animal. With the help of a special vet, can she return the bat to its home in time for the Halloween bash?" --publisher's website.

As Christmas nears, Amy and her friends in the Critter Club try to find a home for two adorable guinea pigs.