Teach with confidence, using the world\"s favorite English course. Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Level 2 Teacher\"s Edition features complete teaching instructions, optional activities, audio scripts, language summaries, and Student\"s Book and Workbook answer keys....

Teach with confidence, using the world\"s favorite English course. Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Level 1 Student\"s Book with eBook includes access to an eBook with audio....

Teach with confidence, using the world\"s favorite English course. Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Level 3A Student\"s Book includes units 1-8, four progress checks, and a Grammar Plus section to ensure that students receive all of the practice they need....

Teach with confidence, using the world\"s favorite English course. Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Intro Level Student\"s Book A includes units 1-8, four progress checks, and a Grammar Plus section to ensure that students receive all of the practice they need....

Teach with confidence, using the world\"s favorite English course. Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Level 3B Student\"s Book includes units 9-16, four progress checks, and a Grammar Plus section to ensure that students receive all of the practice they need....

Teach with confidence, using the world\"s favorite English course. Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Level 2B Workbook provides six pages of additional practice for each unit in the second half of the Student\"s Book (units 9-16)....

Teach with confidence, using the world\"s favorite English course. Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Level 2A Workbook provides six pages of additional practice for each unit in the first half of the Student\"s Book (units 1-8)....

Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Level 1A Workbook provides six pages of additional practice for each unit in the first half of the Student\"s Book (units 1-8)....

Teach with confidence, using the world\"s favorite English course. Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Level 1B Workbook provides six pages of additional practice for each unit in the second half of the Student\"s Book (units 9-16)....

Teach with confidence, using the world\"s favorite English course. Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Intro level Workbook B provides six pages of additional practice for each unit in the second half of the Student\"s Book (units 9-16)....

Teach with confidence, using the world\"s favorite English course. Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Intro level Workbook A provides six pages of additional practice for each unit in the first half of the Student\"s Book (units 1-8)....

Teach with confidence, using the world\"s favorite English course. Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Level 1A Student\"s Book includes units 1-8, four progress checks, and a Grammar Plus section to ensure that students receive all of the practice they need....

Teach with confidence, using the world\"s favorite English course. Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Level 1B Student\"s Book includes units 9-16, four progress checks, and a Grammar Plus section to ensure that students receive all of the practice they need....

Teach with confidence, using the world\"s favorite English course. Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Level 2A Student\"s Book includes units 1-8, four progress checks, and a Grammar Plus section to ensure that students receive all of the practice they need....

Teach with confidence, using the world\"s favorite English course. Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Level 2B Student\"s Book includes units 9-16, four progress checks, and a Grammar Plus section to ensure that students receive all of the practice they need....