Four Corners is an integrated four-skills English course for adults and young adults. Four Corners Level 2 Student's Book B with Self-study CD-ROM and Online Workbook B Pack provides additional activities to reinforce what is presented in the Student's Book. The Online Workbook includes activities which correspond to the Student's Book lessons; instant feedback for hundreds of activities; clear, easy-to-follow navigation to support self-study; and simple tools to monitor progress.

Four Corners is an integrated four-skills English course for adults and young adults. Four Corners Level 1 Student's Book B with Self-study CD-ROM and Online Workbook B Pack provides additional activities to reinforce what is presented in the Student's Book. The Online Workbook includes activities which correspond to the Student's Book lessons; instant feedback for hundreds of activities; clear, easy-to-follow navigation to support self-study; and simple tools to monitor progress.

Strategic Reading is a three-level series designed to develop reading, vocabulary-building, and critical-thinking skills.

Interchange Fourth Edition is a four-level series for adult and young-adult learners of English from the beginning to the high-intermediate level. Interchange Fourth Edition Level 3 Student's Book B with Self-study DVD-ROM and Online Workbook B Pack provides additional activities to reinforce what is presented in the Student's Book. The Online Workbook includes activities which correspond to the Student's Book lessons; instant feedback for hundreds of activities; clear, easy-to-follow navigation to support self-study; and simple tools to monitor progress.

Interchange Fourth Edition Level 3 Student's Book with Self-study DVD-ROM and Online Workbook Pack provides additional activities to reinforce what is presented in the Student's Book. The Online Workbook includes activities which correspond to the Student's Book lessons; instant feedback for hundreds of activities; clear, easy-to-follow navigation to support self-study; and simple tools to monitor progress.

Interchange Fourth Edition is a four-level series for adult and young-adult learners of English from the beginning to the high-intermediate level.

Interchange Fourth Edition Level 2 Student's Book with Self-study DVD-ROM and Online Workbook Pack provides additional activities to reinforce what is presented in the Student's Book. The Online Workbook includes activities which correspond to the Student's Book lessons; instant feedback for hundreds of activities; clear, easy-to-follow navigation to support self-study; and simple tools to monitor progress.

Interchange Fourth Edition is a four-level series for adult and young-adult learners of English from the beginning to the high-intermediate level. Interchange Fourth Edition Intro Student's Book B with Self-study DVD-ROM and Online Workbook B Pack provides additional activities to reinforce what is presented in the Student's Book. The Online Workbook includes activities which correspond to the Student's Book lessons; instant feedback for hundreds of activities; clear, easy-to-follow navigation to support self-study; and simple tools to monitor progress.

Interchange Fourth Edition is a four-level series for adult and young-adult learners of English from the beginning to the high-intermediate level. Interchange Fourth Edition Intro Student's Book A with Self-study DVD-ROM and Online Workbook A Pack provides additional activities to reinforce what is presented in the Student's Book. The Online Workbook includes activities which correspond to the Student's Book lessons; instant feedback for hundreds of activities; clear, easy-to-follow navigation to support self-study; and simple tools to monitor progress.

Interchange Fourth Edition Level 2 Student's Book A with Self-study DVD-ROM and Online Workbook A Pack provides additional activities to reinforce what is presented in the Student's Book. The Online Workbook includes activities which correspond to the Student's Book lessons; instant feedback for hundreds of activities; clear, easy-to-follow navigation to support self-study; and simple tools to monitor progress.