Blue Skies is a series in American English that fully develops 21st century competencies. It follows the modular approach and is organized into six modules.

• Six modules
• Five lessons, a closing activities section (Workbook) and a revision section
• Lively dialogues
• Motivating and contemporary topics with multicultural and cross- curricular information
• Clear grammar presentations and practice
• A wide variety of reading and listening tasks
• Pairwork and group work communication activities
• A step-by-step guide to writing
• Culture pages
• Useful learning tips