v. 1. Student book A (listening and speaking) - v. 2. Book A, teachers' guide - v. 3. Student book B (listening, speaking, reading) - v. 4. Book B, teachers' guide - v. 5. Student book C (listening, speaking, reading, writing) - v. 6. Book C, teachers' guide
TOPICAL NAME USED AS SUBJECT
Entry Element
English language -- Conversation and phrase books -- Study and teaching