American English File 3 (Third Edition) is a B1-B2 level coursebook designed to improve language skills in speaking, listening, reading, and writing. It covers important grammar points (e.g., reported speech, passive voice, mixed conditionals) and expands vocabulary on topics such as technology, global issues, and culture. The book focuses on pronunciation to help students sound more natural. It includes engaging exercises, real-world content, and tasks that promote fluency and confidence. In addition, there are review sections, extra practice materials, and cultural topics that support ongoing progress and encourage independent learning.