690a4e7fec55f18a31e1e2172f30b5。Journey's Practice Book: Kindergarten: 1: Houghton Mifflin。Amazon.com: Houghton Mifflin Spelling and Vocabulary: Level 7。Houghton Mifflin spelling (1980) by Edmund H. Henderson | Open Library。アメリカの教科書 Teacher’s Edition 1, 2と絵本『Here we go』7冊のセット