George's friend Chef Pisghetti makes the most delicious vegetable soup!  When the chef is running low on fresh vegetables, George wants to lend a hand in the rooftop garden--but he has a lot to learn about greenery. Come along as George discovers all about gardening, plants, what makes them grow, and why they're important. Based on the Emmy-winning PBS show, this story is filled to the brim with additional facts, real photos, experiments, activities, and more. Learning about science has never been so much fun!