After an experiment goes wrong, three science prodigies from two differnet time periods meet in a strange, seemingly adandonded city, and burdened with a glitchy time machine, an android time cop hot on their trail, and some tangled temporal mechanics to unravel, they set out to save the Earth.

Nikki Tesla is a genius, so mostly she finds school boring, and amuses herself by inventing things, like her mysterious missing father; trouble is most of her inventions have serious, lethal potential (like the death ray, which just blew a hole in her floor); so she and her ferret are hustled off to the special Genius Academy with classmates who are equally exceptional, although she still worries about fitting in--but when her death ray disappears...

Twelve-year-olds Oliver Beane and Frankie Figge are starting middle school in their suburban town of Lake Grove Glen, but from the beginning things seem a little weird, starting with the mysterious girl Matilda Sandoval who seems to know a lot about the boys, and continuing with a series of apparently random events that may not be random at all; somehow it all leads back to Preston Oglethorpe, a former student genius at their school who won the Nobel...

Twelve-year-old genius and outsider Willow Chance must figure out how to connect with other people and find a surrogate family for herself after her parents are killed in a car accident.

"School's out, and Wiki and Leen Ellison are facing a new challenge... their first summer apart! Genius inventor Leen has been accepted to Petey Thunkle's world-famous summer training program for STEM prodigies with their eyes on the stars. Meanwhile, Wiki is looking forward to her first summer on her own, running the family corn stand and outclassing Otto and Sheed Alston. But the night before Leen's departure, the twins find out that Wiki has also...