Trash Into Treasure (Curious George, Green Light Reader, Level 2)

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 realizes 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?