Third-grader Clementine tries to adjust to the news that her perfect family of four is adding a new brother or sister.

Chester Raccoon is worried that his mother does not have enough love for both him and his new baby brother.

Lindy finds a ventriloquist's dummy and has fun learning to make him move and talk. Kris is jealous, and decides to get a dummy of her own. Then nasty evil things begin to happen. No way can a dummy be causing all the trouble. Or is there?

"Maureen and Francine Carter are twins and best friends. They participate in the same clubs, enjoy the same foods, and are partners on all their school projects. But just before the girls start sixth grade, Francine becomes Fran -- a girl who wants to join the chorus, run for class president, and dress in fashionable outfits that set her apart from Maureen. A girl who seems happy to share only two classes with her sister! Maureen and Francine are...

Wealthy teen Thea Parott's jealousy of her older, prettier, more popular sister Alex prompts a series of self-destructive acts that threaten their seemingly-idyllic lives.

Eleven-year-old Ace Wells's dream has finally come true: he is a new cadet in the B.E.S.T. (Biological Enhancement Systems Technology) Program. Until now, he's been living in the shadow of his superstar brother, Finn--but not for long. This is new Ace! He knows he can make his mark on the world with SuperSoar wings, but on day one, nothing goes as planned. The antagonistic elevator AI Otis wants to eat his belongings, the physical feats set by his...

Newfound half-brother Wayne threatens eighth-grader Diggy's chances at the Minnesota State Fair steer competition, horns in on his girl, and rattles his easy relationship with Pop.

Iris's baby sister Rose is a very, very fussy baby, and Grandpa takes Iris out for a special day without the baby. When Baby Rose turns out to be a fussy child and not nearly as much fun as a new doll, Iris thinks about ways to get a new sister to take her place, but with some help from her family and friends, Iris begins to appreciate her role as a big sister and learns to love Baby Rose despite all the work involved. Iris thought that having a baby...

Twelve-year-old Lennie Mercado's grandfather, the current Prime Wizard of Pomporromp, is retiring and decides to host a tournament for Lennie and her cousins to compete to win his title, land, position, castle, and unlimited magical powers, but when Poppop introduces new rules to eliminate sibling rivalry, Lennie decides the games are unfair and makes plans to sabotage the event.

Eight-year-old Mallory feels left out when her older brother, Max, gets a dog that becomes the center of attention.