Four Corners is an integrated four-skills English course for adults and young adults. Four Corners Student's Book A with Self-study CD-ROM, Level 4 is designed for high intermediate students requiring a thorough presentation of basic grammar, vocabulary, and functional language. Units 1-6 cover diverse high-interest topics such as communicating, food, travel, inventions, and perspectives. In Four Corners, multiple speaking activities in every lesson tied to measurable outcomes help students and teachers see the results of their learning. Additional 'Keep Talking' activities help students develop fluency. As with other levels of Four Corners, an extensive set of print and electronic course components is available to help develop students' communication and confidence.