In a near future where most adults are connected to the multiweb through neural implants, a twelve-year-old uncovers a corporate plot to genetically manipulate her classmates, and her scientist mother may be involved in the conspiracy.

Mori and her friends live a normal life on Firefly Lane in Old Harmonie, a utopian community where every kid knows he or she is genetically engineered to be better and smarter, but when a strangely perfect new girl named Ilana moves in, the friends begin to question the only world they have ever known.

Mori and her friends Julia, Benji, and Theo have never seen life beyond the walls of their perfect society, Old Harmonie. That changes when their new friend Ilana is threatened by the rules that are supposed to keep them all safe. They escape together, hoping to find help in Boston with Dr. Agatha Varden, one of Old Harmonie's pioneering founders. But the outside world is nothing like they anticipated. As they face challenges they never expected...

After Ellie's first elevator build goes terribly wrong, her parents decide her "punishment" is to assist an elderly neighbor, Mrs. Curran, around the house. Ellie and her friends Kit and Toby are really only supposed to help with little things, but Ellie can't turn down the opportunity to use her engineering skills here and there where she sees a need--because that's what engineers do! It's no fun, though, when Mrs. Curran always gives Toby the credit...

Eleven-year-old Elara from the planet "Nowhere" begins school at the Academy of Terraforming Arts, where she befriends Clare, a mute intergalactic sponge, and learns how to farm in space without blowing up planets.

After fourteen-year-old Lacey Chu repairs a highly advanced smartphone/robotic pet companion, or baku, called Jinx, the baku gets her into her dream school, Profectus, where she is exposed to dangerous secrets.

Twelve-year-old Ada is a Chimera, born with human and animal DNA thanks to a genetic experiment gone wrong. Because being a "kime" is believed to be contagious, she has kept her condition-complete with infrared vision-hidden. But a surprise test outs her, and Ada is shipped off to a quarantined school for kimes. There Ada meets kids of many different shapes, stripes, and appendages, such as a girl with dragonfly wings and a seal-boy. As she adjusts...

In alternate chapters, twelve-year-old Jeremiah, who has a fatal heart condition, and J6, the pig growing the heart that could save his life, give their own perspectives on being a transplant donor and donee. Includes facts about the research project on which the story is based.