Sprouting a tail and spikes over the summer before fifth grade, Sawyer, a boy with the dinosaur gene, is bullied in school, but when his tormentors begin to disappear, it is up to Sawyer, his best friend Elliot, and a mysterious new girl to rescue them from a galactically horrible fate.

A story complemented by fun scientific facts and a do-it-yourself experiment finds young Zack working to protect his tiny alien friend, Amp, while struggling through a science-fair project and preventing an alien invasion.

The Bad Guys find themselves sixty-five million years in the past where they must avoid being eaten by dinosaurs, fix their broken time machine, and get back home before an evil alien destroys the world.