It all started when Phoebe skipped a rock across a pond and accidentally hit a unicorn in the face. Improbably, this led to Phoebe being granted one wish, and using it to make the unicorn, Marigold Heavenly Nostrils, her obligational best friend. But can a vain mythical beast and a nine-year-old daydreamer really forge a connection?

Cahira and Orion are twin monster hunters who go on a mission to get their mentor back, and meet Atria, a girl cursed as a monster lure, whom they convince to join their rescue mission to use her monster-attracting abilities to find the enchanted wither.

Looking forward to touring with her bandmates as the opening act for the world-famous Bad Boyz band, Nikki is horrified to learn that her frenemy, MacKenzie, is joining them as a social media intern and is assigned to be her roommate.

Given his lifetime assignment at the Ceremony of Twelve, Jonas becomes the receiver of memories shared by only one other in his community and discovers the terrible truth about the society in which he lives.

"Greg Heffley's on a losing streak. His best friend, Rowley Jefferson, has ditched him, and finding new friends in middle school is proving to be a tough task. To change his fortunes, Greg decides to take a leap of faith and turn his decisions over to chance. Will a roll of the dice turn things around, or is Greg's life destined to be just another hard-luck story?"--

"It's a frenemy showdown and Nikki Maxwell has the worst luck. Of all the schools she could have been assigned to for the student exchange week program, she's stuck at North Hampton Hills, her arch nemesis MacKenzie Hollister's new school. Even worse, there might just be someone at NHH who can out-MacKenzie MacKenzie! At least Nikki can write about every moment of drama in her diary, so readers won't miss a moment of it. Can the queen of dorks survive...

Max's twin is public enemy number one, and it is up to the Midknights to avoid looming dangers like trolls and pirates to find her before time runs out.

The pressure's really piling up on Greg Heffley. His mom thinks video games are turning his brain to mush, so she wants her son to put down the controller and explore his creative side. As if that's not scary enough, Halloween's just around the corner and the frights are coming at Greg from every angle. When Greg discovers a bag of gummy worms, it sparks an idea. Can he get his mom off his back by making a movie... and will he become rich and famous...

Bree can't wait for her first day at her new middle school, Enith Brigitha, home to the Mighty Manatees--until she's stuck with the only elective that fits her schedule, the dreaded Swim 101. The thought of swimming makes Bree more than a little queasy, yet she's forced to dive headfirst into one of her greatest fears. Lucky for her, Etta, an elderly occupant of her apartment building and former swim team captain, is willing to help.

Twelve-year-old Aru stretches the truth to fit in at her private school, but when she is dared to prove an ancient lamp is cursed, she inadvertently frees an ancient demon.