In an overpopulated world where all signs of nature have been obliterated and a wall has been erected to keep out plague-ridden animals, twelve-year-old Mika refuses to believe that his twin sister was killed after being abducted, and continues to search for her in spite of the dangers he faces in doing so.

"Loretta and her twin brother, Waylon, are headed to middle school. Loretta has always been quick with her fists and her wits. Since Waylon is on the small side, Loretta does't let anyone mess with him. But now she worries he won't survive without her by his side. Her secret plan: bulk him up with muscle over the summer. Little does she know that Waylon has a plan of his own. He'll show his sister he can take care of himself. As each puts their strategy...

Hello Kitty and her twin sister, Mimmy, are excited: today is their birthday! And all of their friends are coming to their party! So put on your birthday hat and come join the fun! Every good party needs good friends--

The villain Balthazar Bratt, a former child star who's grown up to become obsessed with the character he played in the 80s, proves to be Gru's most formidable nemesis to date.

When Strega Nona babysits twins for the day, Bambolona and Big Anthony help, but the children find trouble everywhere they go.

When twelve-year-old Ana's zoologist parents move the whole family into the zoo, the Sneers--the clan of carnivorous female predators in her class--have even more ammunition to make her life miserable, although she tries to act like a chameleon and fade into the background.

"When Ashar and Shaheer meet, they quickly discover they're twins and will stop at nothing to get to know the parent they've been separated from, learning along the way that they may not like each other, but they definitely need each other"--

Someone is secretly renovating the basketball court at the local park, and Zach and Zoe are determined to find out who--

This is a funny, super-girly story with a vampire bite to it. Sink your teeth into Olivia and Ivy's eleventh fright-time adventure. We're still double trouble!' The twins are apart, but life is as batty as ever...Ivy's settling in to Wallachia Academy, but the school's strict rules are a real pain in the neck. Back in Franklin Grove, Olivia's begun dressing like Ivy - to get in to a vampire rock concert! It's bound to cause a coffin-load of chaos....

In the sequel to Demons of the Ocean, Connor must learn the pirate way aboard the Diablo, or face dangerous consequences, while his twin sister Grace senses that something is very wrong on the vampirate ship she left behind.