The world’s most trusted grammar source for clear, direct, and comprehensive instruction, the

Azar-Hagen Grammar Series takes a time-tested approach that blends direct grammar instruction

with carefully sequenced practice to develop all language skills. Grammar is the springboard for

developing all language skills: speaking, listening, reading, and writing. With clear, user-friendly

charts and engaging interactive practice, it’s easy to see why this classic series remains the top-selling

text in its field year after year.