George is part of a team challenge to help clean up the city on Pretty City Day. But when he finds hidden and forgotten treasures along the way, he realises he's collecting more treasures than he is trash! If he wants to help his team win the challenge, he'll need to sort out his growing stash of treasures and see which ones he really wants to keep. But how?

This Green Light Reader based on Curious George, the Emmy Award-winning TV show, also includes bonus activities to help reinforce the concepts presented in the story.