Amy is excited for her step-sister to visit, but when everyone, including the snake the Critter Club is watching, seems to love Chloe, Amy starts to wonder if they all like Chloe more than they like her.

Elmore Green likes being an only child, so when his parents bring a new small person, his baby brother, into the house he is not pleased and does his best to keep the new small person out of his life.

Sister is overcome with jealousy when Brother gets a shiny new ten-speed bike for his birthday.

"The thrilling new novel from the #1 New York Times bestselling authors of An Anonymous Girl and The Wife Between Us. Shay Miller has three strikes against her: no job, no apartment, no love in her life. But when she witnesses a perfectly normal looking young woman about her age make the chilling decision to leap in front of an ongoing subway train, Shay realizes she could end up in the same spiral. She is intrigued by a group of women who seem to...

When Posey's first-grade class gets a new student named Grace, Posey worries that her friends will like the new girl more than they like her, until Posey realizes just how lonely Grace must feel and discovers that Grace could be more than just the new girl, if Posey gives her the chance.

"Everyone talks about falling in love, but falling in friendship can be just as captivating. When Neela Devaki's song is covered by internet-famous artist Rukmini, the two musicians meet and a transformative friendship begins. But as Rukmini's star rises and Neela's stagnates, jealousy and self-doubt creep in. With a single tweet, their friendship implodes, one career is destroyed, and the two women find themselves at the center of an internet firestorm....

Pinky is jealous when his best friend Rex gets the lead in the school play, even though she only tried out to give Pinky moral support.

Norman, a porcupine whose best friend is a tree named Mildred, begins to feel jealous when another tree grows close to Mildred and acts out against the new tree.

Lyle the crocodile becomes so jealous of Joshua's birthday party and presents that it makes him feel ill, and he ends up in the hospital, where he recovers his good nature by entertaining the children there.