Four Corners is an integrated four-skills English course for adults and young adults. Four Corners Full Contact B with Self-study CD-ROM, Level 4 includes the Self-study CD-ROM and Units 7-12 of the Student's Book, Workbook, and Video Activity Sheets.

Four Corners is an integrated four-skills English course for adults and young adults. Four Corners Full Contact B with Self-study CD-ROM, Level 1 includes the Self-study CD-ROM and Units 7-12 of the Student's Book, Workbook, and Video Activity Sheets.

Four Corners is an integrated four-skills English course for adults and young adults. Four Corners Full Contact B with Self-study CD-ROM, Level 3 includes the Self-study CD-ROM and Units 7-12 of the Student's Book, Workbook, and Video Activity Sheets.

Four Corners is an integrated four-skills English course for adults and young adults. Four Corners Full Contact B with Self-study CD-ROM, Level 2 includes the Self-study CD-ROM and Units 7-12 of the Student's Book, Workbook, and Video Activity Sheets.

A collection of twelve lessons that teach English language grammar, vocabulary, functional language, listening and pronunciation, reading and writing and speaking.

Four Corners is an integrated four-skills English course for adults and young adults. Four Corners Full Contact A with Self-study CD-ROM, Level 3 includes the Self-study CD-ROM and Units 1-6 of the Student's Book, Workbook, and Video Activity Sheets.

Four Corners is an integrated four-skills English course for adults and young adults. Four Corners Full Contact with Self-study CD-ROM, Level 1 includes four key components of the Four Corners series: Student's Book, Workbook, Video Activity Sheets, and Self-study CD-ROM.