"Amy is excited to meet her new stepsister Chloe, but as the girls get to know each other, Amy realizes Chloe isn't as nice as she appears to be in front of the grown-ups"--

A proud geek girl, Emma loves her quiet life on the outskirts, playing video games and staying off the radar. When her nightmare of a new stepsister moves into the bedroom next door, her world is turned upside down. Quinn is a queen bee with a nasty streak who destroys anyone who gets in her way. Teachers, football players, her fellow cheerleaders - no one is safe. Emma wants nothing more than to get this girl out of her life, but when Quinn dies...

Feeling upset because she failed a surprise math quiz, Karen cheats on the next few math tests, but she begins to feel guilty and confesses everything to her teacher.

In this magical, modern twist on Peter Pan, stepsisters Lily and Wendy are spirited away to Neverland by a mysterious boy and must find a way back to the family they love.

"Gifted with the ability to draw maps of worlds that are beyond imagining, K2 O'Hero, sworn to keep his family's Magical history a secret, must use his gift to find a crossing point into one of those worlds when his baby sister is kidnapped"--WorldCat.

"A Grimmtastic girl named Cinderella is starting her first week at Grimm Academy on the wrong foot. Cinda's totally evil stepsisters are out to make her life miserable. The Steps tease Cinda, give her terrible advice about life at the academy, and even make her look bad in front of her new friends, Red, Snow, and Rapunzel! But when Cinda overhears the Steps plotting a villainous deed that could ruin Prince Awesome's ball, Cinda, her new friends, and...

Living with stepsisters and having a bad history with female friends, Charlotte enjoys the easy relationships that come with managing an all-male band. But things get complicated when dating becomes an issue, and she is urged to sing in public.

"Twelve-year-old Levi is at home in the dojo where he practices karate, although the contentious relationship with his new stepsister, Sofia, is disturbing his concentration - but when she suddenly decides to join his dojo he realizes that Sofia's prickly attitude is a cover for her unhappiness" --

Falsely accused of murdering her stepsister, seventeen-year-old Dee fights to survive paid assassins on Alcatraz 2.0, the most popular prison on social media.

When her mother cannot find a babysitter for the weekend, thirteen-year-old Monica is left in charge of the house and her stepsister Angela, with disastrous results.