目次
Lesson1: Washoku-Japanese Food Culture
https://highschool-study.com/polestar1-lesson1/
Lesson2: Different Bottles, Different Names
https://highschool-study.com/polestar1-lesson2/
Lesson3: The Adventures of Ishikawa Naoki
https://highschool-study.com/polestar1-lesson3/
Lesson4: Bright Stars in a Dark Sky-Tekapo
https://highschool-study.com/polestar1-lesson4/
Lesson5: The Story of Amazing Grace
https://highschool-study.com/polestar1-lesson5/
Lesson6: The Dark Side of Diamonds
https://highschool-study.com/polestar1-lesson6/
Lesson7: Ice Cream That Does Not Melt
https://highschool-study.com/polestar1-lesson7/
Lesson8: The World of Haiku
https://highschool-study.com/polestar1-lesson8/
Lesson9: Stephen’s Story: A Story That Will Never End
https://highschool-study.com/polestar1-lesson9/
Lesson10: Messages from a Trunk
https://highschool-study.com/polestar1-lesson10/