Marsha Riti

During Spring Break, mystery lover Amy looks for clues to the disappearance of wealthy Ms. Sullivan's Saint Bernard puppy.

As her friends in the Critter Club animal shelter care for colorful aquarium fish, second-grader Liz and her family spend a long weekend at the beach, where Liz rescues a baby octopus and competes with an unfriendly young neighbor in a sand castle contest.

When Marion finally gets the chance to babysit her little sister, she finds that the task is harder than she expected, especially when she gets called to the Critter Club to help with a stray cat and must bring Gabby along.

When she wins the lead role in a school play, second-grader Ellie neglects her friends in the Critter Club and their new animal shelter.

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

Members of the Critter Club are all excited about their summer plans until Liz learns that, instead of taking an art class, she will have to be in summer school to improve her math skills, but a fun teacher, a classroom pet, support from her friends, andadvice from her brother might get her through.