Everything seems to be going well for fifteen-year-old Annie, between her popular blog, good friends, and cheerleading, but when her cousin Shawna returns from Paris and becomes the center of attention, Annie cannot help but be jealous.

When Emma goes for a modeling gig, Katie tags along for support, but when the agency chooses to go with Katie instead, Emma finds herself jealous.

"Plum revels in being her family's special dog, so she is not thrilled when she suddenly has to compete with Binky the cat"-- Provided by publisher.

Katie loves being the best dancer in her dance class, so when Mattie joins the class and begins to outshine her, Katie is jealous.

Of all the creatures in the ocean, sea horses are Echo Reef's favorite. They're sweet and gentle and they glide through the water so gracefully. When Echo discovers that Rocky Ridge, one of her Trident Academy classmates, has his own pet sea horse, she wants one right away. Not everyone agrees sea horses should be pets, however. Perhaps they are happiest when swimming freely. But Echo thinks that if Rocky can make a sea horse happy, she can too! Can't...

When Greg's design wins the contest for the mural in the new community center, he has to deal with the malicious anger of one of the losers, as well as the jealousy of his older cousin James.

When Katie's mom asks her to spend time with Emily, her boyfriend's daughter, Katie brings her to a meeting of the Cupcake Club and things go well, but maybe too well for Katie's liking.

"This folkloric picture book tells the story of a magical robe that goes missing, and the kingdom that hangs in the balance"--

"Sick of the pressures of pet life, one dog escapes to fulfill his true Lone Wolf destiny, but then he sees his owner with a new dog and feels unexpectedly jealous."--

Ashley is thrilled with fashionable Sophie, a new girl from Los Angeles, but her friends are not impressed and consider her a stuck-up intruder on their friendship--will a spa sleepover at Sophie's house break the ice or cause a blow-up?