This clever story follows the life of a tree hollow and the many animals who inhabit it. From its earliest creation when a branch snaps off a gum tree to its cavernous home for a family of possums it allows young readers to discover the important role tree hollows play in the environment and how they can help protect them.

The activities for this book track the many residents of the tree hollow, the rhyming language of the story, the descriptions of animals provided in the book and instructions for making an animals shelter of your own.