Ignoring instructions to stick together while sightseeing in New York City, Michelle and Stephanie become lost and struggle to find each other before their father finds out they are missing. https://openlibrary.org/works/OL15154...

Stephanie and Michelle are headed to a special school-sponsored nature camp for winter break. Stephanie will be a junior counselor and Michelle will be a camper. But when Stephanie is assigned to Michelle's cabin, trouble starts brewing.

Stephanie is so excited when she sees the sign announcing a "most fabulous sisters" modeling contest at the mall. She and Michelle are sure to win! She enters the two of them in the contest. Michelle, can't enter the contest because she just got a job to buy Stephanie a birthday present. Can Michelle keep her job a secret and be in the modeling contest at the same time?

When Michelle and Stephanie learn that the stable Michelle rides at is being sold, they're sad. But then they hear that Michelle's favorite horse is being sent away to work under horrible conditions and they won't stand for it. Michelle devises a plan to keep the horse in San Francisco, but will it work?

Stephanie's father booked a vacation in Hawaii. Too bad she's staying in the most rustic accommodations on the island Lucky for her, she's mistaken for one of the guests at the island's most expensive hotel, where she meets a group of new friends. And a really cute boy But can she keep up this charade or will she lose her new friends forever? Meanwhile, Michelle finds out she's provoked the wrath of an evil spirit during her island exploration. Will she be able to stop the curse before it destroys her and her entire family?

It's February 14 and Stephanie needs a valentine! Michelle "Cupid" Tanner to the rescue! Michelle decides to find her sister the perfect date for the John Muir Middle School Valentine Dance! It's the least she can do when Stephanie is throwing Michelle's fourth-grade class a totally awesome Valentine's party. Michelle tries putting an ad in the middle school newspaper. Then she tries hanging out with her friends at the mall. But she can't spot Romeo anywhere! The big dance is only a couple of days away! Will Michelle find Stephanie a date? Or will her matchmaking make nothing but a big Valentine mess?

Michelle has a great idea! She's going to put on a show and sell tickets to raise money for a local charity. All of her friends are ready to help out, and Michelle is geared up to write the show, direct it—and star in it. But Stephanie has another idea. Her friend Peace just appeared on TV. The girl is a real star! If Stephanie can get her to be in the show, it will be tremendous! There's just one problem. When Peace agrees to perform, Stephanie takes over. She changes all Michelle's plans—and makes Peace the star of the show. Can two sisters learn to live together? Or will the show not go on?

When sisters get together.. expect the unexpeced! Stephanie and Michelle have a job watching the triplets that live around the corner. The three kids seem like little angels. This is going to be easy money. At least, that's what Stephanie and Michelle think—until the day of the job. The triplets' mom takes everyone to the Imaginarium—a natural-history museum in town. And the triplets run wild! Can Stephanie and Michelle keep the three kids in line? Or will their babysitting job be a natural-history disaster?

When sisters get together...expect the unexpected Michelle is teamed up with Stephanie's best friend Allie, and Stephanie is matched with new girl Cynthia in the "Big Pal, Little Pal" program at school. Stephanie wants to make Cynthia feel right at home. And what better way to do so than to devote all her free time to hanging out with her 'little pal'? Michelle is psyched for the school program, too. Now Allie, Stephanie, Cynthia and Michelle can all hang out together! But when Stephanie and Cynthia start spending all their time together—just the two of them—Michelle starts to get worried. Especially after Michelle and Stephanie get into a big fight and end up not speaking to one another! Is Stephanie going to dump her for a substitute sister?

While flipping through her favorite teen advice column, Michelle stumbles across a letter complaining about sisters—straight from the mouth of a girl who sounds just like Stephanie! To make matters worse, Stephanie reads the same letter and thinks it's from Michelle! Now, as they each go overboard acting ultra-sweet, will the truth come out before they end up driving each other crazy?