stegosauridae

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.

Illustrations and text introduce young readers to armored, plated, and bone-headed dinosaurs that roamed the earth millions of years ago.

Provides illustrations and information about different types of armored dinosaurs, and includes questions and answers, fact boxes, a time line, and a glossary.

Presents detailed information on prickly-plant eating dinosaurs including time lines and a family tree.