Dex : the heart of a hero /
Superdog : the heart of a hero. Super dog : the heart of a hero.
by Caralyn Buehner ; illustrated by Mark Buehner.
- New York : HarperCollins, 2003.
- 1 v. (unpaged) : col. ill. ; 29 cm.
"Previously published as Superdog : the heart of a hero"
Tired of being overlooked because he is so small, a big-hearted dog named Dexter transforms himself into a superhero.