Stacey McGill is moving back to New York, and her friends must face the sadness of saying good-bye, hunt down the perfect farewell gift, and take on the difficult task of filling Stacey's place in the Baby-sitters Club.

In rural Ohio, friendships and a beautiful girl prove distracting to a fifteen-year-old who has hidden on Earth for ten years waiting to develop the Legacies, or powers, he will need to rejoin the other six surviving Garde members and fight the Mogadorians who destroyed their planet, Lorien.

When nine-year-old Allie Finkle's parents announce that the family is moving, Allie is sure her life is over. She has to move to a scary new house, change schools, and leave her precious geode collection behing. With a room she's half-scared to go into, the burden of being "the new girl," and her old friends a half hour away, how will Allie ever learn to fit in?

After tragic events tear Mickey Bolitar away from his parents, he is forced to live with his estranged Uncle Myron and switch high schools, where he finds both friends and enemies, but when his new girlfriend, Ashley, vanishes, he follows her trail into a seedy underworld that reveals she is not what she seems to be.

Thirteen-year-old Aven was born without arms and has trouble fitting in at her new school after her parents take a job at a dying western theme park, but she makes a new friend in a fellow disabled boy who helps her solve a mystery at the park.

Louisiana Elefante's granny wakes her up in the middle of the night and tells her they need to leave home immediately, and this time Granny intends for them never to return.

When sixteen-year-old Jacinda, who can change into a dragon, is forced to move away from her community of shapeshifters and start a more normal life, she falls in love with a boy who proves to be her most dangerous enemy.

Twin brothers Jay and Ray Grayson learn about friendship, honesty, and themselves after taking advantage of a clerical oversight in which their new school thinks there is only one Grayson boy.

Guided by her rules, nine-year-old Allie works to get past being just the new girl at school, eagerly awaits the arrival of her kitten, and faces turmoil when her grandmother visits while the family is still settling into their new home.

Sixteen-year-old Clara Gardner's purpose as an angel-blood begins to manifest itself, forcing her family to pull up stakes and move to Jackson, Wyoming, where she learns that danger and heartbreak come with her powers.