Lizard from the park / Mark Pett.
When a lizard hatches from the egg Leonard finds in the park, he names it Buster and takes it all around the city, but Buster grows bigger and bigger until Leonard realizes he must devise a way to return his pet to the deepest, darkest part of the park and set him free.
New York :
Simon & Schuster Books for Young Readers,
Walker Library - Curriculum Collection - Juvenile - 3rd Floor
Pull and Hold