Used postage stamps from the Picture Book World series, 57 stamps with paper included. Volume 1: "The Runaway Goldfish" - 1 stamp Volume 2: "The Very Hungry Caterpillar" - 2 stamps Volume 3: "Guri and Gura" - 9 stamps Volume 4: "Swimmy," "Frederick," "Alexander and the Wind-Up Mouse" - 10 stamps Volume 5: "Shirokuma-chan's Hotcakes" - 10 stamps Volume 6: "The Bears' School" - 10 stamps Volume 7: "The Best Cat in the World" - 10 stamps Volume 8: "No" by junaida - 5 stamps