Dinosaur Boy Series by Cory Putman Oakes

Sometimes being different is good...even if it means having a tail and spikesEveryone knows the dinosaur gene skips a generation. So it wasn't a complete surprise when Sawyer sprouted a tail and spikes before he started fifth grade. After all, his grandfather was part stegosaurus.Despite Principal Mathis's Zero Tolerance Policy, Sawyer is a bully magnet, befriended only by BFF Elliot and the weird new girl... moreSometimes being different is good...even if it means having a tail and spikesEveryone knows the dinosaur gene skips a generation. So it wasn't a complete surprise when Sawyer sprouted a tail and spikes before he started fifth grade. After all, his grandfather was part stegosaurus.Despite Principal Mathis's Zero Tolerance Policy, Sawyer is a bully magnet, befriended only by BFF Elliot and the weird new girl. When the bullies start disappearing, Sawyer is relieved-until he discovers a secret about the principal that's more shocking than Dino DNA. Now it's up to the unlikely trio to rescue their tormentors from a galactically horrible fate. less

For use in schools and libraries only. Journeying to Mars with Sylvie and Elliot to search for Sylvie's missing father, dinosaur-human hybrid Sawyer discovers that Mars has been trying to bully Pluto out of the solar system, a conflict that is addressed through a planetary soccer match.