Unit 1. Storms (폭풍│Nonfiction)
Unit 2. Doing House Chores (집안일 하기│Short Story)
Unit 3. Butterflies and Moths (나비와 나방│Nonfiction)
Unit 4. Hansel and Gretel (헨젤과 그레텔│Classic Story)
Unit 5. Desert Life (사막에서의 삶│Nonfiction)
Word Puzzle
Unit 6. The New Classmate (새로운 반 친구│Short Story)
Unit 7. Skin (피부│Nonfiction)
Unit 8. The Jungle Book (정글북│Classic Story)
Unit 9. Animal Eyes (동물의 눈│Nonfiction)
Unit 10. What Would Dad Say? (아빠는 뭐라고 말씀하실까?│Short Story)
Word Puzzle
Unit 11. From Farm to Table (농장에서 식탁까지│Nonfiction)
Unit 12. The Fox and the Grapes (여우와 포도│Classic Story)
Unit 13. Anne Sullivan (앤 설리번│Nonfiction)
Unit 14. A Four-Wheel Bike (네발자전거│Short Story)
Unit 15. The Senses of Smell & Hearing (후각과 청각│Nonfiction)
Word Puzzle
Unit 16. The Shoemaker and the Elves (구두장이와 요정들│Classic Story)
Unit 17. What Is in the Air? (공기 중에는 무엇이 있을까?│Nonfiction)
Unit 18. The Elephant and the Bird (코끼리와 새│Short Story)
Unit 19. Louis Pasteur (루이 파스퇴르│Nonfiction)
Unit 20. The Goose with the Golden Eggs (황금알을 낳는 거위│Classic Story)
Word Puzzle
Key Words 160