科目
第一冊-適龍騰版
Lesson 1 Firsts in Life
Lesson 2 Goodbye, John
Lesson 3 Do Animals Sleep like You and Me?
Lesson 4 Sniffing Out More Than Just Bones
Lesson 5 The Life of a Plastic Bag
Lesson 6 Built for Freedom: The Statue of Liberty
Lesson 7 From Trash to Triumph
Lesson 8 Convenience Store: Where Our Wallents Are Always Open
Lesson 9 Fighting for or against Graffiti
